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 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
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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