CVE-2018-14343: 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 ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.

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.