CVE-2009-3995: Nullsoft Winamp

High severity, CVSS 9.3. EPSS: 6.7% chance of exploitation in the next 30 days.

Multiple heap-based buffer overflows in IN_MOD.DLL (aka the Module Decoder Plug-in) in Winamp before 5.57, and libmikmod 3.1.12, might allow remote attackers to execute arbitrary code via (1) crafted samples or (2) crafted instrument definitions in an Impulse Tracker file. NOTE: some of these details are obtained from third party information.

Affected products

  • Nullsoft Winamp: up to and including 5.56; version 0.20a only; version 0.92 only; version 1.006 only; version 1.90 only; version 2.0 only; …
  • Raphael Assenat Libmikmod: version 3.1.12 only

Published 2009-12-18. Last modified 2026-06-16.