CVE-2010-1523: Nullsoft Winamp

High severity, CVSS 9.3. EPSS: 5.3% chance of exploitation in the next 30 days.

Multiple heap-based buffer overflows in vp6.w5s (aka the VP6 codec) in Winamp before 5.59 Beta build 3033 might allow remote attackers to execute arbitrary code via a crafted VP6 (1) video file or (2) video stream.

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 2010-11-06. Last modified 2026-06-16.