CVE-2011-2597: Wireshark

Medium severity, CVSS 4.3. EPSS: 2.5% chance of exploitation in the next 30 days.

The Lucent/Ascend file parser in Wireshark 1.2.x before 1.2.18, 1.4.x through 1.4.7, and 1.6.0 allows remote attackers to cause a denial of service (infinite loop) via malformed packets.

Affected products

• Wireshark Wireshark: version 1.2 only; 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; …

Published 2011-07-07. Last modified 2026-06-16.