CVE-2016-2369: Canonical Ubuntu Linux

Medium severity, CVSS 5.9. EPSS: 2.2% chance of exploitation in the next 30 days.

A NULL pointer dereference vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent via the server could potentially result in a denial of service vulnerability. A malicious server can send a packet starting with a NULL byte triggering the vulnerability.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 15.10 only
• Debian Debian Linux: version 8.0 only
• Pidgin Pidgin: up to and including 2.10.12

Published 2017-01-06. Last modified 2026-06-17.