CVE-2010-0423: Pidgin

Medium severity, CVSS 5.0. EPSS: 2.3% chance of exploitation in the next 30 days.

gtkimhtml.c in Pidgin before 2.6.6 allows remote attackers to cause a denial of service (CPU consumption and application hang) by sending many smileys in a (1) IM or (2) chat.

Affected products

• Pidgin Pidgin: up to and including 2.6.5; version 2.0.0 only; version 2.0.1 only; version 2.0.2 only; version 2.1.0 only; version 2.1.1 only; …

Published 2010-02-24. Last modified 2026-06-16.