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 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
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

Detections

Analytics

CVE-2025-13946

medium

Tenable Plugins

medium

medium

medium