CVE-2012-1593: Wireshark

Low severity, CVSS 3.3. EPSS: 11.2% chance of exploitation in the next 30 days.

epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.

Affected products

• Wireshark Wireshark: version 1.4.0 only; version 1.4.1 only; version 1.4.2 only; version 1.4.3 only; version 1.4.4 only; version 1.4.5 only; …

Published 2012-04-11. Last modified 2026-06-16.