CVE-2018-14367: Wireshark

High severity, CVSS 7.5. EPSS: 3.3% chance of exploitation in the next 30 days.

In Wireshark 2.6.0 to 2.6.1 and 2.4.0 to 2.4.7, the CoAP protocol dissector could crash. This was addressed in epan/dissectors/packet-coap.c by properly checking for a NULL condition.

Affected products

• Wireshark Wireshark: from 2.4.0, up to and including 2.4.7; from 2.6.0, up to and including 2.6.1

Published 2018-07-19. Last modified 2026-06-17.