CVE-2018-5336: Debian Linux

High severity, CVSS 7.5. EPSS: 2.7% chance of exploitation in the next 30 days.

In Wireshark 2.4.0 to 2.4.3 and 2.2.0 to 2.2.11, the JSON, XML, NTP, XMPP, and GDB dissectors could crash. This was addressed in epan/tvbparse.c by limiting the recursion depth.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Wireshark Wireshark: from 2.2.0, up to and including 2.2.11; from 2.4.0, up to and including 2.4.3

Published 2018-01-11. Last modified 2026-06-17.