Is CVE-2009-0263 in the CISA KEV catalog?

No. CVE-2009-0263 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-0263?

CVE-2009-0263 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2009-0263?

CVE-2009-0263 has an EPSS score of 16.74% (97th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-0263

HIGHEPSS 97th pctl

10.0

CVSS v2

NVD

Description

Multiple buffer overflows in Winamp 5.541 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary code via (1) a large Common Chunk (COMM) header value in an AIFF file and (2) a large invalid value in an MP3 file.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

16.74%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

http://secunia.com/advisories/33478
http://www.securityfocus.com/bid/33226
http://www.vupen.com/english/advisories/2009/0113
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14756
https://www.exploit-db.com/exploits/7742

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.