CVE-2009-3995

CVE-2009-3995 is a critical-severity vulnerability in Nullsoft Winamp with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 7% (93rd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Nullsoft Winamp
• Published: 2009-12-18
• Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2009-3995?

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.

How severe is CVE-2009-3995?

CVE-2009-3995 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-3995 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3995?

CVE-2009-3995 primarily affects Nullsoft Winamp. In total, 97 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3995?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2009-3995 published?

CVE-2009-3995 was published on 2009-12-18 and last updated on 2026-06-16.

References

• http://forums.winamp.com/showthread.php?threadid=315355
• http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
• http://secunia.com/advisories/37495
• http://secunia.com/advisories/40799
• http://secunia.com/secunia_research/2009-52/
• http://secunia.com/secunia_research/2009-53/
• http://secunia.com/secunia_research/2009-55/
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:151
• http://www.securityfocus.com/archive/1/508526/100/0/threaded
• http://www.securityfocus.com/archive/1/508527/100/0/threaded
• http://www.securityfocus.com/bid/37374
• http://www.vupen.com/english/advisories/2009/3575
• http://www.vupen.com/english/advisories/2010/1107
• http://www.vupen.com/english/advisories/2010/1957

Affected products (97)

• cpe:2.3:a:nullsoft:winamp:*:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:0.20a:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:0.92:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:1.006:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:1.90:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.4:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.5e:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.6:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.6x:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.7x:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.9:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.10:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.24:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.50:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.60:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.60:*:full:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.60:*:lite:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.61:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.61:*:full:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.62:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.62:*:standard:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.64:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.64:*:standard:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.65:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.70:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.70:*:full:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.71:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.72:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.73:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.73:*:full:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.74:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.75:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.76:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.77:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.78:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.79:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.80:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.81:*:*:*:*:*:*:*
• cpe:2.3:a:nullsoft:winamp:2.90:*:*:*:*:*:*:*

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