CVE-2018-19622: Debian Linux

High severity, CVSS 7.5. EPSS: 3.2% chance of exploitation in the next 30 days.

In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the MMSE dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-mmse.c by preventing length overflows.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Wireshark Wireshark: from 2.4.0, up to and including 2.4.10; from 2.6.0, up to and including 2.6.4

Published 2018-11-29. Last modified 2026-06-17.