CVE-2018-14369: Debian Linux

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, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the HTTP2 dissector could crash. This was addressed in epan/dissectors/packet-http2.c by verifying that header data was found before proceeding to header decompression.

Affected products

• Debian Debian Linux: version 8.0 only
• Wireshark Wireshark: from 2.2.0, up to and including 2.2.15; 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.