CVE-2011-4857: Heap-based buffer overflow in the in_mod.dll plugin in Winamp before 5.623 allows remote attackers to execu...

Security readout for executives and security teams

CVE-2011-4857 is a Winamp media-file parsing flaw that can let an attacker run code if a vulnerable user opens a malicious Impulse Tracker file. The issue is tied to Winamp versions before 5.623 and the in_mod.dll plugin. Exposure is most likely limited to legacy Windows endpoints that still run Winamp before 5.623 and open IT/module tracker files, especially from untrusted archives, email, downloads, or shared media collections. Treat this as a legacy endpoint risk, not an internet-facing emergency. Prioritize removal or upgrade if Winamp exists on managed systems, because successful exploitation could execute attacker-controlled code through a file-open workflow. Mitigation focus: Inventory Winamp installations and identify versions older than 5.623.; Upgrade affected Winamp installations to 5.623 or later.; Avoid opening untrusted Impulse Tracker or module files until upgraded..

Prepared

Jun 27, 2026, 17:48 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.