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CVE-2009-0186

25
FAUCET Score

CVE-2009-0186 describes an integer overflow vulnerability in libsndfile 1.0.18, impacting products like Winamp. This flaw allows remote attackers to execute arbitrary code by crafting malicious CAF audio files, leading to a heap-based buffer overflow. With a CVSS score of 9.3 (Critical), it presents a high risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.55CPE matchmatch criteria
cpe:2.3:a:nullsoft:winamp:5.55:*:*:*:*:*:*:*
5.541CPE matchmatch criteria
cpe:2.3:a:nullsoft:winamp:5.541:*:*:*:*:*:*:*
<= 1.0.18CPE matchmatch criteria
cpe:2.3:a:mega-nerd:libsndfile:*:*:*:*:*:*:*:*
0.0.8CPE matchmatch criteria
cpe:2.3:a:mega-nerd:libsndfile:0.0.8:*:*:*:*:*:*:*
0.0.28CPE matchmatch criteria
cpe:2.3:a:mega-nerd:libsndfile:0.0.28:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.61%
Probability of exploitation in next 30 days
EPSS Percentile
88.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0361 is in the 48th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2009-0186Important

libsndfile: overflows may lead to execution of arbitrary code

Mar 3, 2009

References

lists.opensuse.org / opensuse-security-announce/2009-04/msg00003.html
secunia.com / advisories/33980
Vendor Advisory
secunia.com / advisories/33981
Vendor Advisory
secunia.com / advisories/34316
secunia.com / advisories/34526
secunia.com / advisories/34642
secunia.com / advisories/34791
secunia.com / secunia_research/2009-7
Vendor Advisory
secunia.com / secunia_research/2009-8
Vendor Advisory
security.gentoo.org / glsa/glsa-200904-16.xml
exchange.xforce.ibmcloud.com / vulnerabilities/49038
debian.org / security/2009/dsa-1742
mega-nerd.com / libsndfile/NEWS
securityfocus.com / archive/1/501399/100/0/threaded
securityfocus.com / archive/1/501413/100/0/threaded
securityfocus.com / bid/33963
securitytracker.com / id
ubuntu.com / usn/USN-749-1
vupen.com / english/advisories/2009/0584
Vendor Advisory
vupen.com / english/advisories/2009/0585
Vendor Advisory