CVE-2011-1142: Wireshark

High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days.

Stack consumption vulnerability in the dissect_ber_choice function in the BER dissector in Wireshark 1.2.x through 1.2.15 and 1.4.x through 1.4.4 might allow remote attackers to cause a denial of service (infinite loop) via vectors involving self-referential ASN.1 CHOICE values.

Affected products

• Wireshark Wireshark: version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; version 1.2.4 only; version 1.2.5 only; …

Published 2011-03-03. Last modified 2026-06-16.