CVE-2009-4356

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2009-12-18 · updated 2026-06-16
Weakness: CWE-189

Description

Multiple integer overflows in the jpeg.w5s and png.w5s filters in Winamp before 5.57 allow remote attackers to execute arbitrary code via malformed (1) JPEG or (2) PNG data in an MP3 file.

Affected products

Nullsoft Winamp: through 5.56; 0.20a, 0.92, 1.006, 1.90, 2.0, 2.4 (+81)

References

http://forums.winamp.com/showthread.php?threadid=315355
http://www.securityfocus.com/archive/1/508532/100/0/threaded
http://www.securityfocus.com/bid/37387
http://www.vupen.com/english/advisories/2009/3576
http://www.vupen.com/exploits/Winamp_png_w5s_PNG_Data_Processing_Integer_Overflow_PoC_3576274.php
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15743
http://forums.winamp.com/showthread.php?threadid=315355
http://www.securityfocus.com/archive/1/508532/100/0/threaded
http://www.securityfocus.com/bid/37387
http://www.vupen.com/english/advisories/2009/3576
http://www.vupen.com/exploits/Winamp_png_w5s_PNG_Data_Processing_Integer_Overflow_PoC_3576274.php
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15743

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