CVE-2026-6536: Wireshark

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

DLMS/COSEM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4

Affected products

• Wireshark Wireshark: from 4.6.0, up to and including 4.6.4

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