CVE-2013-6490: Pidgin

High severity, CVSS 10.0. EPSS: 14.8% chance of exploitation in the next 30 days.

The SIMPLE protocol functionality in Pidgin before 2.10.8 allows remote attackers to have an unspecified impact via a negative Content-Length header, which triggers a buffer overflow.

Affected products

• Pidgin Pidgin: up to and including 2.10.7; 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 2014-02-06. Last modified 2026-06-17.