CVE-2026-6867: Wireshark

Medium severity, CVSS 5.5. EPSS: 0.1% chance of exploitation in the next 30 days.

SMB2 protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Affected products

• Wireshark Wireshark: from 4.4.0, up to and including 4.4.14; from 4.6.0, up to and including 4.6.4

Published 2026-04-30. Last modified 2026-06-17.