CVE-2010-4374: Nullsoft Winamp

Medium severity, CVSS 4.3. EPSS: 1.8% chance of exploitation in the next 30 days.

The in_mkv plugin in Winamp before 5.6 allows remote attackers to cause a denial of service (application crash) via a Matroska Video (MKV) file containing a string with a crafted length.

Affected products

• Nullsoft Winamp: up to and including 5.581; version 0.20a only; version 0.92 only; version 1.006 only; version 1.90 only; version 2.0 only; …

Published 2010-12-02. Last modified 2026-06-16.