CVE-2018-7334: Debian Linux

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

In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the UMTS MAC dissector could crash. This was addressed in epan/dissectors/packet-umts_mac.c by rejecting a certain reserved value.

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 2.2.12; from 2.4.0, up to and including 2.4.4

Published 2018-02-23. Last modified 2026-06-17.