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

  - ZigBee ZCL protocol dissector crash in 4.6.0 to 4.6.8 allows denial of service (CVE-2026-95391)

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

ID	Name	Product	Family	Published	Updated	Severity
349567	Wireshark 4.6.x < 4.6.9 Multiple Vulnerabilities	Nessus	Windows	9/23/2026	10/8/2026	critical
349570	Wireshark 4.6.x < 4.6.9 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	9/23/2026	10/8/2026	critical
351192	Linux Distros Unpatched Vulnerability : CVE-2026-95391	Nessus	Misc.	9/29/2026	10/15/2026	medium

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