CVE-2025-13945: Wireshark

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service

Affected products

• Wireshark Wireshark: from 4.6.0, before 4.6.2 (fixed in 4.6.2)

Published 2025-12-03. Last modified 2026-06-17.