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Vulnerability record · CVE-2011-4857 · published 16 December 2011

CVE-2011-4857: Nullsoft winamp memory buffer overflow vulnerability

Nullsoft · Winamp

Heap-based buffer overflow in the in_mod.dll plugin in Winamp before 5.623 allows remote attackers to execute arbitrary code via crafted song message data in an Impulse Tracker (IT) file. NOTE: some of these details are obtained from third party information.

10.0 CVSS 2.0 High EPSS 4.7% · top 8.5% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
4.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the in_mod.dll plugin in Winamp before 5.623 allows remote attackers to execute arbitrary code via crafted song message data in an Impulse Tracker (IT) file. NOTE: some of these details are obtained from third party information.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://forums.winamp.com/showthread.php?t=332010
http://secunia.com/advisories/46882
https://exchange.xforce.ibmcloud.com/vulnerabilities/72054
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15351
http://forums.winamp.com/showthread.php?t=332010
http://secunia.com/advisories/46882
https://exchange.xforce.ibmcloud.com/vulnerabilities/72054
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15351

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2009-0263Nullsoft winamp memory buffer overflow vulnerabilityMultiple buffer overflows in Winamp 5.541 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary code via (1)…EPSS 17%10.0CVE-2004-1119Nullsoft winamp vulnerabilityStack-based buffer overflow in IN_CDDA.dll in Winamp 5.05, and possibly other versions including 5.06, allows remote attackers to execute arbitrary c…EPSS 17%9.3CVE-2011-3834Nullsoft winamp vulnerabilityMultiple integer overflows in the in_avi.dll plugin in Winamp before 5.623 allow remote attackers to execute arbitrary code via an AVI file with a cr…EPSS 5.1%9.3CVE-2010-4372Nullsoft winamp vulnerabilityInteger overflow in the in_nsv plugin in Winamp before 5.6 allows remote attackers to have an unspecified impact via vectors related to improper allo…EPSS 2.8%9.3CVE-2010-4370Nullsoft winamp vulnerabilityMultiple integer overflows in the in_midi plugin in Winamp before 5.6 allow remote attackers to execute arbitrary code via a crafted MIDI file that t…EPSS 5.1%9.3CVE-2010-4371Nullsoft winamp memory buffer overflow vulnerabilityBuffer overflow in the in_mod plugin in Winamp before 5.6 allows remote attackers to have an unspecified impact via vectors related to the comment bo…EPSS 6.1%9.3CVE-2010-2586Nullsoft winamp vulnerabilityMultiple integer overflows in in_nsv.dll in the in_nsv plugin in Winamp before 5.6 allow remote attackers to execute arbitrary code via a crafted Tab…EPSS 5.5%9.3CVE-2010-1523Nullsoft winamp memory buffer overflow vulnerabilityMultiple 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 arb…EPSS 5.3%

Source: NIST National Vulnerability Database (record CVE-2011-4857), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.