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

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 SUSE Linux SLES16 / SLES_SAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:20222-1 advisory.

    Update to Wireshark 4.4.13:

    - CVE-2025-11626: MONGO dissector infinite loop (bsc#1251933).
    - CVE-2025-13499: Kafka dissector crash (bsc#1254108).
    - CVE-2025-13945: HTTP3 dissector crash (bsc#1254471).
    - CVE-2025-13946: MEGACO dissector infinite loop (bsc#1254472).
    - CVE-2025-9817: SSH dissector crash (bsc#1249090).
    - CVE-2026-0959: IEEE 802.11 dissector crash (bsc#1256734).
    - CVE-2026-0961: BLF file parser crash (bsc#1256738).
    - CVE-2026-0962: SOME/IP-SD dissector crash (bsc#1256739).

    Full changelog:

    https://www.wireshark.org/docs/relnotes/wireshark-4.4.13.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 Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005276 advisory.

    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

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 remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:20151-1 advisory.

    Update to Wireshark 4.4.13:

    - CVE-2025-11626: MONGO dissector infinite loop (bsc#1251933).
    - CVE-2025-13499: Kafka dissector crash (bsc#1254108).
    - CVE-2025-13945: HTTP3 dissector crash (bsc#1254471).
    - CVE-2025-13946: MEGACO dissector infinite loop (bsc#1254472).
    - CVE-2025-9817: SSH dissector crash (bsc#1249090).
    - CVE-2026-0959: IEEE 802.11 dissector crash (bsc#1256734).
    - CVE-2026-0961: BLF file parser crash (bsc#1256738).
    - CVE-2026-0962: SOME/IP-SD dissector crash (bsc#1256739).

    Full changelog:

    https://www.wireshark.org/docs/relnotes/wireshark-4.4.13.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 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 version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:0966 advisory.

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

    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

Tenable has extracted the preceding description block directly from the Tencent 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 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-2025:4440-1 advisory.

    - CVE-2025-13499: Fixed Kafka dissector crash due to malformed packet (bsc#1254108).
    - CVE-2025-13946: Fixed MEGACO dissector infinite loop that allows denial of service (bsc#1254472).

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

  - 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)

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

The version of Wireshark installed on the remote Windows host is prior to 4.6.2. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.2 advisory.

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

  - 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)

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

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

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 4.6.2. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.2 advisory.

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

  - 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)

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

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

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

ID	Name	Product	Family	Severity
298324	Debian dsa-6124 : libwireshark-data - security update	Nessus	Debian Local Security Checks	high
298233	SUSE SLES16 Security Update : wireshark (SUSE-SU-2026:20222-1)	Nessus	SuSE Local Security Checks	high
298179	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-005276)	Nessus	Unity Linux Local Security Checks	medium
297775	openSUSE 16 Security Update : wireshark (openSUSE-SU-2026:20151-1)	Nessus	SuSE Local Security Checks	high
294997	Wireshark 4.6.x < 4.6.3 Multiple Vulnerabilities	Nessus	Windows	medium
294996	Wireshark 4.6.x < 4.6.3 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	medium
279658	TencentOS Server 4: wireshark (TSSA-2025:0966)	Nessus	Tencent Local Security Checks	medium
279061	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : wireshark (SUSE-SU-2025:4440-1)	Nessus	SuSE Local Security Checks	medium
277371	Linux Distros Unpatched Vulnerability : CVE-2025-13946	Nessus	Misc.	medium
277287	Wireshark 4.6.x < 4.6.2 Multiple Vulnerabilities	Nessus	Windows	medium
277286	Wireshark 4.6.x < 4.6.2 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	medium

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CVE-2025-13946

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