The version of Wireshark installed on the remote macOS / Mac OS X host is prior to 4.6.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.8 advisory.

  - Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

  - 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)

  - Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76890,     CVE-2026-76891)

  - UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76889)

  - RDP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76888)

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 4.6.8. It is, therefore, affected by multiple vulnerabilities as referenced in the wireshark-4.6.8 advisory.

  - Pcapng file parser crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76929)

  - 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)

  - Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service (CVE-2026-76890,     CVE-2026-76891)

  - UMTS FP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76889)

  - RDP protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service     (CVE-2026-76888)

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.

  - Ixia IxVeriWave and Vector Informatik BLF file parser crashes in 4.6.0 to 4.6.7 allows denial of service     on Windows (CVE-2026-19696)

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

ID	Name	Product	Family	Published	Updated	Severity
338409	Wireshark 4.6.x < 4.6.8 Multiple Vulnerabilities (macOS)	Nessus	MacOS X Local Security Checks	8/20/2026	9/3/2026	critical
338408	Wireshark 4.6.x < 4.6.8 Multiple Vulnerabilities	Nessus	Windows	8/20/2026	9/3/2026	critical
335302	Linux Distros Unpatched Vulnerability : CVE-2026-19696	Nessus	Misc.	8/13/2026	9/2/2026	medium

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