HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1169-1 advisory.

    Update Wireshark to version 4.6.4 (jsc#PED-15400).

    - CVE-2024-9780: ITS dissector crash (bsc#1231475).
    - CVE-2024-9781: AppleTalk and RELOAD Framing dissector crash (bsc#1231476).
    - CVE-2024-11595: Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark (bsc#1233594).
    - CVE-2024-11596: Buffer Over-read in Wireshark (bsc#1233593).
    - CVE-2025-1492: Uncontrolled Recursion in Wireshark (bsc#1237414).
    - CVE-2025-5601: Column handling crashes in Wireshark allows denial of service (bsc#1244081).
    - CVE-2025-9817: NULL Pointer Dereference in ssh dissector (bsc#1249090).
    - CVE-2025-13499: a malformed packet can lead to a Kafka dissector crash (bsc#1254108).
    - CVE-2025-13674: injecting a malformed packet can cause a crash (bsc#1254262).
    - CVE-2025-13945: HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service     (bsc#1254471).
    - CVE-2025-13946: 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 (bsc#1254472).
    - CVE-2026-0959: denial of service via IEEE 802.11 protocol dissector crash (bsc#1256734).
    - CVE-2026-0960: denial of Service via HTTP3 protocol dissector infinite loop (bsc#1256736).
    - CVE-2026-0961: denial of Service vulnerability in BLF file parser (bsc#1256738).
    - CVE-2026-0962: denial of Service via SOME/IP-SD protocol dissector crash (bsc#1256739).
    - CVE-2026-3201: missing limit checks in USB HID protocol dissector's `parse_report_descriptor` function     can lead to       memory exhaustion (bsc#1258907).
    - CVE-2026-3202: missing checks in NTS-KE protocol dissector can lead to crash (bsc#1258908).
    - CVE-2026-3203: missing length checks in the RF4CE Profile protocol dissector can lead to illegal memory     access and       crash (bsc#1258909).

    Also libvirt was rebuilt against wireshark for the libvirt plugin.

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.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1450 advisory.

    MONGO dissector infinite loop in Wireshark 4.4.0 to 4.4.9 and 4.2.0 to 4.2.13 allows denial of service     (CVE-2025-11626)

    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)

    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)

    Bundle Protocol and CBOR dissector crashes in Wireshark 4.4.0 to 4.4.3 and 4.2.0 to 4.2.10 allows denial     of service via packet injection or crafted capture file (CVE-2025-1492)

    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)

    BLF file parser crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service     (CVE-2026-0961)

    SOME/IP-SD 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-2026-0962)

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 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4479 advisory.

    -------------------------------------------------------------------------     Debian LTS Advisory DLA-4479-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                   Jochen Sprickerhof     February 16, 2026                             https://wiki.debian.org/LTS
    -------------------------------------------------------------------------

    Package        : wireshark     Version        : 3.4.16-0+deb11u2     CVE ID         : CVE-2024-9781 CVE-2024-11596 CVE-2025-5601 CVE-2025-11626                      CVE-2025-13499 CVE-2025-13945 CVE-2025-13946 CVE-2026-0960     Debian Bug     :

    Multiple vulnerabilities have been fixed in the network traffic analyzer     Wireshark.

    CVE-2024-9781

        AppleTalk and RELOAD Framing dissector crash allows denial of         service via packet injection or crafted capture file.

    CVE-2024-11596

        ECMP dissector crash allows denial of service via packet injection         or crafted capture file.

    CVE-2025-5601

        Column handling crashes allows denial of service via packet         injection or crafted capture file.

    CVE-2025-11626

        MONGO dissector infinite loop allows denial of service.

    CVE-2025-13499

        Kafka dissector crash allows denial of service.

    CVE-2025-13945

        HTTP3 dissector crash allows denial of service.

    CVE-2025-13946

        MEGACO dissector infinite loop in allows denial of service.

    CVE-2026-0960

        HTTP3 protocol dissector infinite loop allows denial of service.

    For Debian 11 bullseye, these problems have been fixed in version     3.4.16-0+deb11u2.

    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 LTS security advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://wiki.debian.org/LTS     Attachment:
    signature.asc     Description: PGP signature

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 remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6124 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6124-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     February 08, 2026                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : wireshark     CVE ID         : CVE-2025-9817 CVE-2025-11626 CVE-2025-13499 CVE-2025-13945                      CVE-2025-13946 CVE-2026-0959 CVE-2026-0960 CVE-2026-0961                      CVE-2026-0962

    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 4.4.13-0+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 remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-3d29b96a25 advisory.

    New version 4.6.3

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-eea5babc00 advisory.

    New version 4.6.3

Tenable has extracted the preceding description block directly from the Fedora 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 SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0237-1 advisory.

    - CVE-2026-0959: IEEE 802.11 dissector crash (bsc#1256734).
    - CVE-2026-0960: HTTP3 dissector infinite loop (bsc#1256736).
    - CVE-2026-0962: SOME/IP-SD dissector crash (bsc#1256739).

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 Windows host is prior to 4.6.3. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.3 advisory.

  - SOME/IP-SD 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-2026-0962)

  - BLF file parser crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service     (CVE-2026-0961)

  - 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)

  - 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 macOS / Mac OS X host is prior to 4.6.3. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.3 advisory.

  - SOME/IP-SD 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-2026-0962)

  - BLF file parser crash in Wireshark 4.6.0 to 4.6.2 and 4.4.0 to 4.4.12 allows denial of service     (CVE-2026-0961)

  - 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)

  - 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.

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

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

ID	Name	Product	Family	Type	Severity
304851	SUSE SLED15 / SLES15 Security Update : wireshark (SUSE-SU-2026:1169-1)	Nessus	SuSE Local Security Checks	Local	high
301335	Amazon Linux 2023 : wireshark-cli, wireshark-devel (ALAS2023-2026-1450)	Nessus	Amazon Linux Local Security Checks	Local	high
299185	Debian dla-4479 : libwireshark-data - security update	Nessus	Debian Local Security Checks	Local	high
298324	Debian dsa-6124 : libwireshark-data - security update	Nessus	Debian Local Security Checks	Local	high
296520	Fedora 43 : wireshark (2026-3d29b96a25)	Nessus	Fedora Local Security Checks	Local	medium
296514	Fedora 42 : wireshark (2026-eea5babc00)	Nessus	Fedora Local Security Checks	Local	medium
296462	SUSE SLED15: libwireshark17 / libwiretap14 / libwsutil15 / wireshark / etc (SUSE-SU-2026:0237-1)	Nessus	SuSE Local Security Checks	Local	medium
294997	Wireshark 4.6.x < 4.6.3 Multiple Vulnerabilities	Nessus	Windows	Local	medium
294996	Wireshark 4.6.x < 4.6.3 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	Local	medium
286815	Linux Distros Unpatched Vulnerability : CVE-2026-0960	Nessus	Misc.	Local	medium

Detections

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CVE-2026-0960

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Tenable Plugins

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