CVE-2011-3266: Wireshark

Low severity, CVSS 2.6. EPSS: 2.3% chance of exploitation in the next 30 days.

The proto_tree_add_item function in Wireshark 1.6.0 through 1.6.1 and 1.4.0 through 1.4.8, when the IKEv1 protocol dissector is used, allows user-assisted remote attackers to cause a denial of service (infinite loop) via vectors involving a malformed IKE packet and many items in a tree.

Affected products

• Wireshark Wireshark: version 1.6.0 only; version 1.6.1 only; version 1.4.0 only; version 1.4.1 only; version 1.4.2 only; version 1.4.3 only; …

Published 2011-08-24. Last modified 2026-06-16.