CVE-2009-3085: Pidgin Libpurple

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The XMPP protocol plugin in libpurple in Pidgin before 2.6.2 does not properly handle an error IQ stanza during an attempted fetch of a custom smiley, which allows remote attackers to cause a denial of service (application crash) via XHTML-IM content with cid: images.

Affected products

• Pidgin Libpurple: any version
• Pidgin Pidgin: up to and including 2.6.1; 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 2009-09-08. Last modified 2026-06-16.