CVE-2013-6479: Pidgin

Medium severity, CVSS 5.0. EPSS: 2.2% chance of exploitation in the next 30 days.

util.c in libpurple in Pidgin before 2.10.8 does not properly allocate memory for HTTP responses that are inconsistent with the Content-Length header, which allows remote HTTP servers to cause a denial of service (application crash) via a crafted response.

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.