C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

An update of the wireshark package has been released.

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_84721 advisory.

    * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76886)

    * wireshark: Wireshark: Denial of Service via RRC protocol dissector out-of-bounds write (CVE-2026-76880)

    * wireshark: Wireshark: Denial of Service vulnerability in ESS protocol dissector (CVE-2026-76919)

    * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76879)

    * wireshark: Wireshark: Denial of Service via X.509IF protocol dissector crash (CVE-2026-76928)

    * wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector (CVE-2026-76927)

    * wireshark: wireshark: Denial of Service via heap-based buffer overflow in SPDY dissector     (CVE-2026-95387)

    * wireshark: Heap-based Buffer Overflow in Wireshark (CVE-2026-95389)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:84721 advisory.

    * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76886)
      * wireshark: Wireshark: Denial of Service via RRC protocol dissector out-of-bounds write     (CVE-2026-76880)
      * wireshark: Wireshark: Denial of Service vulnerability in ESS protocol dissector (CVE-2026-76919)
      * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76879)
      * wireshark: Wireshark: Denial of Service via X.509IF protocol dissector crash (CVE-2026-76928)
      * wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector (CVE-2026-76927)
      * wireshark: wireshark: Denial of Service via heap-based buffer overflow in SPDY dissector     (CVE-2026-95387)
      * wireshark: Heap-based Buffer Overflow in Wireshark (CVE-2026-95389)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:84721 advisory.

    * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76886)

    * wireshark: Wireshark: Denial of Service via RRC protocol dissector out-of-bounds write (CVE-2026-76880)

    * wireshark: Wireshark: Denial of Service vulnerability in ESS protocol dissector (CVE-2026-76919)

    * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76879)

    * wireshark: Wireshark: Denial of Service via X.509IF protocol dissector crash (CVE-2026-76928)

    * wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector (CVE-2026-76927)

    * wireshark: wireshark: Denial of Service via heap-based buffer overflow in SPDY dissector     (CVE-2026-95387)

    * wireshark: Heap-based Buffer Overflow in Wireshark (CVE-2026-95389)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-84721 advisory.

    - Fix Heap-based Buffer Overflow in Wireshark (CVE-2026-95389)
    - Fix DoS via heap-based buffer overflow in SPDY dissector (CVE-2026-95387)
    - Fix DoS via X.509IF protocol dissector crash (CVE-2026-76928)
    - Fix DoS vulnerability in H.245 protocol dissector (CVE-2026-76927)
    - Fix DoS vulnerability in ESS protocol dissector (CVE-2026-76919)
    - Fix DoS via C12.22 protocol dissector crash (CVE-2026-76886)
    - Fix DoS via RRC protocol dissector out-of-bounds write (CVE-2026-76880)
    - Fix DoS via C12.22 protocol dissector crash (CVE-2026-76879)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:84721 advisory.

    The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running     on a computer network.

    Security Fix(es):

    * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76886)

    * wireshark: Wireshark: Denial of Service via RRC protocol dissector out-of-bounds write (CVE-2026-76880)

    * wireshark: Wireshark: Denial of Service vulnerability in ESS protocol dissector (CVE-2026-76919)

    * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76879)

    * wireshark: Wireshark: Denial of Service via X.509IF protocol dissector crash (CVE-2026-76928)

    * wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector (CVE-2026-76927)

    * wireshark: wireshark: Denial of Service via heap-based buffer overflow in SPDY dissector     (CVE-2026-95387)

    * wireshark: Heap-based Buffer Overflow in Wireshark (CVE-2026-95389)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:24013-1 advisory.

    Update to Wireshark 4.4.18:

    - CVE-2026-19694: TTX Logger file parser crash (bsc#1275279).
    - CVE-2026-19695: Gammu DCT3 trace file parser crash (bsc#1275280).
    - CVE-2026-19696: Ixia IxVeriWave and Vector Informatik BLF file parser crashes on Windows (bsc#1275281).
    - CVE-2026-76879: C12.22 protocol dissector crash (bsc#1275828).
    - CVE-2026-76880: RRC protocol dissector crash (bsc#1275829).
    - CVE-2026-76881: CMS protocol dissector crash (bsc#1275831).
    - CVE-2026-76882: Bluetooth Attribute Protocol dissector crash (bsc#1275832).
    - CVE-2026-76883: Catapult DCT2000 file parser crash (bsc#1275833).
    - CVE-2026-76884: ERF file parser crash (bsc#1275834).
    - CVE-2026-76885: Tektronix K12xx file parser crash (bsc#1275835).
    - CVE-2026-76886: C12.22 protocol dissector crash (bsc#1275836).
    - CVE-2026-76887: Dissection engine reassembly crash (bsc#1275838).
    - CVE-2026-76888: RDP protocol dissector crash (bsc#1275839).
    - CVE-2026-76889: UMTS FP protocol dissector crash (bsc#1275840).
    - CVE-2026-76890: Sharkd utility crash (bsc#1275841).
    - CVE-2026-76891: Sharkd utility crash (bsc#1275844).
    - CVE-2026-76917: Bluetooth AVRCP Profile (bsc#1275842).
    - CVE-2026-76918: SSH protocol dissector crash (bsc#1275843).
    - CVE-2026-76919: ESS protocol dissector crash (bsc#1275845).
    - CVE-2026-76920: 3gpp phone log file parser crash (bsc#1275846).
    - CVE-2026-76921: CMS protocol dissector crash (bsc#1275847).
    - CVE-2026-76922: Bluetooth BR/EDR FHS protocol dissector crash (bsc#1275848).
    - CVE-2026-76923: Bluetooth HFP Profile protocol dissector crash (bsc#1275849).
    - CVE-2026-76924: Kerberos protocol dissector crash (bsc#1275850).
    - CVE-2026-76926: BUSMASTER file parser abnormal exit (bsc#1275851).
    - CVE-2026-76927: H.245 protocol dissector crash (bsc#1275852).
    - CVE-2026-76928: X.509IF protocol dissector crash (bsc#1275853).
    - CVE-2026-76929: Pcapng file parser crash (bsc#1275854).

    Many more features, bug fixes and updated protocol support as listed in:
     https://www.wireshark.org/docs/relnotes/wireshark-4.4.18.html

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:22014-1 advisory.

    Update to Wireshark 4.4.18:

    - CVE-2026-19694: TTX Logger file parser crash (bsc#1275279).
    - CVE-2026-19695: Gammu DCT3 trace file parser crash (bsc#1275280).
    - CVE-2026-19696: Ixia IxVeriWave and Vector Informatik BLF file parser crashes on Windows (bsc#1275281).
    - CVE-2026-76879: C12.22 protocol dissector crash (bsc#1275828).
    - CVE-2026-76880: RRC protocol dissector crash (bsc#1275829).
    - CVE-2026-76881: CMS protocol dissector crash (bsc#1275831).
    - CVE-2026-76882: Bluetooth Attribute Protocol dissector crash (bsc#1275832).
    - CVE-2026-76883: Catapult DCT2000 file parser crash (bsc#1275833).
    - CVE-2026-76884: ERF file parser crash (bsc#1275834).
    - CVE-2026-76885: Tektronix K12xx file parser crash (bsc#1275835).
    - CVE-2026-76886: C12.22 protocol dissector crash (bsc#1275836).
    - CVE-2026-76887: Dissection engine reassembly crash (bsc#1275838).
    - CVE-2026-76888: RDP protocol dissector crash (bsc#1275839).
    - CVE-2026-76889: UMTS FP protocol dissector crash (bsc#1275840).
    - CVE-2026-76890: Sharkd utility crash (bsc#1275841).
    - CVE-2026-76891: Sharkd utility crash (bsc#1275844).
    - CVE-2026-76917: Bluetooth AVRCP Profile (bsc#1275842).
    - CVE-2026-76918: SSH protocol dissector crash (bsc#1275843).
    - CVE-2026-76919: ESS protocol dissector crash (bsc#1275845).
    - CVE-2026-76920: 3gpp phone log file parser crash (bsc#1275846).
    - CVE-2026-76921: CMS protocol dissector crash (bsc#1275847).
    - CVE-2026-76922: Bluetooth BR/EDR FHS protocol dissector crash (bsc#1275848).
    - CVE-2026-76923: Bluetooth HFP Profile protocol dissector crash (bsc#1275849).
    - CVE-2026-76924: Kerberos protocol dissector crash (bsc#1275850).
    - CVE-2026-76926: BUSMASTER file parser abnormal exit (bsc#1275851).
    - CVE-2026-76927: H.245 protocol dissector crash (bsc#1275852).
    - CVE-2026-76928: X.509IF protocol dissector crash (bsc#1275853).
    - CVE-2026-76929: Pcapng file parser crash (bsc#1275854).

    Many more features, bug fixes and updated protocol support as listed in:
     https://www.wireshark.org/docs/relnotes/wireshark-4.4.18.html

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 4.6.9. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.9 advisory.

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879, CVE-2026-76886)

  - HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service (CVE-2025-13945)

  - MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service     (CVE-2025-13946)

  - IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of     service (CVE-2026-0959)

  - HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service     (CVE-2026-0960)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 4.4.19. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.4.19 advisory.

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879, CVE-2026-76886)

  - FiveCo RAP dissector infinite loop in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service     via packet injection or crafted capture file (CVE-2024-11595)

  - ECMP dissector crash in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service via packet     injection or crafted capture file (CVE-2024-11596)

  - ITS dissector crash in Wireshark 4.4.0 allows denial of service via packet injection or crafted capture     file (CVE-2024-9780)

  - AppleTalk and RELOAD Framing dissector crash in Wireshark 4.4.0 and 4.2.0 to 4.2.7 allows denial of     service via packet injection or crafted capture file (CVE-2024-9781)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote Windows host is prior to 4.4.19. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.4.19 advisory.

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879, CVE-2026-76886)

  - FiveCo RAP dissector infinite loop in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service     via packet injection or crafted capture file (CVE-2024-11595)

  - ECMP dissector crash in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service via packet     injection or crafted capture file (CVE-2024-11596)

  - ITS dissector crash in Wireshark 4.4.0 allows denial of service via packet injection or crafted capture     file (CVE-2024-9780)

  - AppleTalk and RELOAD Framing dissector crash in Wireshark 4.4.0 and 4.2.0 to 4.2.7 allows denial of     service via packet injection or crafted capture file (CVE-2024-9781)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote Windows host is prior to 4.6.9. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.9 advisory.

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879, CVE-2026-76886)

  - HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service (CVE-2025-13945)

  - MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service     (CVE-2025-13946)

  - IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of     service (CVE-2026-0959)

  - HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service     (CVE-2026-0960)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of wireshark installed on the remote host is prior to 2.6.2-15. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3905 advisory.

    C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879)

    C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76886)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0979 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2026-76929:
    Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76928:
    X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76927:
    H.245 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76926:
    BUSMASTER file parser abnormal exit in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76924:
    Kerberos protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76923:
    Bluetooth HFP Profile protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of     service

    CVE-2026-76922:
    Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of     service

    CVE-2026-76921:
    CMS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76920:
    3gpp phone log file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76919:
    ESS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76918:
    SSH protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76917:
    Bluetooth AVRCP Profile protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of     service

    CVE-2026-76891:
    Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76890:
    Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76889:
    UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76888:
    RDP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76887:
    Crash in the Wireshark dissection engine in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76886:
    C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76885:
    Tektronix K12xx file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76884:
    ERF file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76883:
    Catapult DCT2000 file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76882:
    Bluetooth Attribute Protocol dissector crash in Wireshark 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial     of service

    CVE-2026-76881:
    CMS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76880:
    RRC protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

    CVE-2026-76879:
    C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

Tenable has extracted the preceding description block directly from the Tencent Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-2117 advisory.

    TTX Logger file parser crash in 4.6.0 to 4.6.7 allows denial of service (CVE-2026-19694)

    Gammu DCT3 trace file parser crash in 4.6.0 to 4.6.7 allows denial of service (CVE-2026-19695)

    C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879)

    RRC protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76880)

    CMS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76881)

    Bluetooth Attribute Protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of     service (CVE-2026-76882)

    Catapult DCT2000 file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76883)

    ERF file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76884)

    Tektronix K12xx file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76885)

    C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76886)

    Crash in the Wireshark dissection engine in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76887)

    RDP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76888)

    UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76889)

    Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76890)

    Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76891)

    Bluetooth AVRCP Profile protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of     service (CVE-2026-76917)

    SSH protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76918)

    ESS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76919)

    3gpp phone log file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76920)

    CMS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76921)

    Bluetooth BR/EDR FHS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of     service (CVE-2026-76922)

    Bluetooth HFP Profile protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of     service (CVE-2026-76923)

    Kerberos protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76924)

    BUSMASTER file parser abnormal exit in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76926)

    H.245 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76927)

    X.509IF protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76928)

    Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6471 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6471-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     August 27, 2026                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : wireshark     CVE ID         : CVE-2026-15163 CVE-2026-15164 CVE-2026-15166 CVE-2026-15167                      CVE-2026-15168 CVE-2026-15169 CVE-2026-15170 CVE-2026-15171                      CVE-2026-15172 CVE-2026-15174 CVE-2026-76879 CVE-2026-76880                      CVE-2026-76881 CVE-2026-76882 CVE-2026-76883 CVE-2026-76884                      CVE-2026-76885 CVE-2026-76886 CVE-2026-76887 CVE-2026-76888                      CVE-2026-76889 CVE-2026-76890 CVE-2026-76891 CVE-2026-76917                      CVE-2026-76918 CVE-2026-76919 CVE-2026-76920 CVE-2026-76921                      CVE-2026-76922 CVE-2026-76923 CVE-2026-76924 CVE-2026-76926                      CVE-2026-76927 CVE-2026-76928 CVE-2026-76929

    Multiple vulnerabilities have been discocvered in Wireshark, a network     protocol analyzer which could result in denial of service or the     execution of arbitrary code.

    For the stable distribution (trixie), these problems have been fixed in     version 4.4.18-0+deb13u1.

    We recommend that you upgrade your wireshark packages.

    For the detailed security status of wireshark please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/wireshark

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104760 advisory.

    C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 4.4.18. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.4.18 advisory.

  - Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879, CVE-2026-76886)

  - FiveCo RAP dissector infinite loop in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service     via packet injection or crafted capture file (CVE-2024-11595)

  - ECMP dissector crash in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service via packet     injection or crafted capture file (CVE-2024-11596)

  - ITS dissector crash in Wireshark 4.4.0 allows denial of service via packet injection or crafted capture     file (CVE-2024-9780)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote Windows host is prior to 4.4.18. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.4.18 advisory.

  - Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879, CVE-2026-76886)

  - FiveCo RAP dissector infinite loop in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service     via packet injection or crafted capture file (CVE-2024-11595)

  - ECMP dissector crash in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service via packet     injection or crafted capture file (CVE-2024-11596)

  - ITS dissector crash in Wireshark 4.4.0 allows denial of service via packet injection or crafted capture     file (CVE-2024-9780)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 4.6.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.8 advisory.

  - Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879, CVE-2026-76886)

  - Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service (CVE-2025-13499)

  - BPv7 dissector crash in Wireshark 4.6.0 allows denial of service (CVE-2025-13674)

  - HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service (CVE-2025-13945)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The version of Wireshark installed on the remote Windows host is prior to 4.6.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.8 advisory.

  - Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879, CVE-2026-76886)

  - Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service (CVE-2025-13499)

  - BPv7 dissector crash in Wireshark 4.6.0 allows denial of service (CVE-2025-13674)

  - HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service (CVE-2025-13945)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76879)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
375626	Photon OS 5.0: Wireshark PHSA-2026-5.0-92-0986	Nessus	PhotonOS Local Security Checks	Local	critical
369906	Rocky Linux 10.2 [CIQ] Security Update: wireshark / wireshark-cli / wireshark-cli-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_84721)	Nessus	Rocky Linux Local Security Checks	Local	critical
369086	AlmaLinux 10 : wireshark (ALSA-2026:84721)	Nessus	Alma Linux Local Security Checks	Local	critical
367802	RockyLinux 10 : wireshark (RLSA-2026:84721)	Nessus	Rocky Linux Local Security Checks	Local	critical
367393	Oracle Linux 10 : wireshark (ELSA-2026-84721)	Nessus	Oracle Linux Local Security Checks	Local	critical
367289	RHEL 10 : wireshark (RHSA-2026:84721)	Nessus	Red Hat Local Security Checks	Local	critical
364127	SUSE SLES16: libwireshark18 / libwiretap15 / libwsutil16 / wireshark / etc (SUSE-SU-2026:24013-1)	Nessus	SuSE Local Security Checks	Local	critical
362892	openSUSE 16: libwireshark18 / libwiretap15 / libwsutil16 / wireshark / etc (openSUSE-SU-2026:22014-1)	Nessus	SuSE Local Security Checks	Local	critical
349570	Wireshark 4.6.x < 4.6.9 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	Local	critical
349569	Wireshark 4.4.x < 4.4.19 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	Local	critical
349568	Wireshark 4.4.x < 4.4.19 Multiple Vulnerabilities	Nessus	Windows	Local	critical
349567	Wireshark 4.6.x < 4.6.9 Multiple Vulnerabilities	Nessus	Windows	Local	critical
345772	Amazon Linux 2 : wireshark (ALAS-2026-3905)	Nessus	Amazon Linux Local Security Checks	Local	critical
344397	TencentOS Server 4: wireshark (TSSA-2026:0979)	Nessus	Tencent Local Security Checks	Local	critical
341850	Amazon Linux 2023 : wireshark-cli, wireshark-devel (ALAS2023-2026-2117)	Nessus	Amazon Linux Local Security Checks	Local	critical
341052	Debian dsa-6471 : libwireshark-data - security update	Nessus	Debian Local Security Checks	Local	critical
340965	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-104760)	Nessus	Unity Linux Local Security Checks	Local	high
338411	Wireshark 4.4.x < 4.4.18 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	Local	critical
338410	Wireshark 4.4.x < 4.4.18 Multiple Vulnerabilities	Nessus	Windows	Local	critical
338409	Wireshark 4.6.x < 4.6.8 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	Local	critical
338408	Wireshark 4.6.x < 4.6.8 Multiple Vulnerabilities	Nessus	Windows	Local	critical
338370	Linux Distros Unpatched Vulnerability : CVE-2026-76879	Nessus	Misc.	Local	high

Detections

Analytics

CVE-2026-76879

high

Tenable Plugins

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