CVE-2009-1791

Heap-based buffer overflow in aiff_read_header in libsndfile 1.0.15 through 1.0.19, as used in Winamp 5.552 and possibly other media programs, allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an AIFF file with an invalid header value.

Published: 2009-05-26 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-1791 is rated Moderate Risk (64.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 8.48%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-1791

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 14.75% 8.48% -6.28%
2 2025-03-29 8.48% 14.75% +6.28%
3 2025-03-19 — 8.48% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1791

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-1791

OS Trackers for CVE-2009-1791

vendor priority summary link
debian low CVE-2009-1791 low priority: Debian including 1 source packages (libsndfile), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-1791
gentoo normal CVE-2009-1791: 1 GLSA(s) (200905-09), 1 atom(s) (media-libs/libsndfile); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2009-1791
redhat high — https://access.redhat.com/security/cve/CVE-2009-1791
ubuntu medium CVE-2009-1791 medium priority: Ubuntu including 1 source packages (libsndfile), 5 status rows across 5 suites (dapper, hardy, intrepid, jaunty, upstream): released 4, ignored 1. https://ubuntu.com/security/CVE-2009-1791

Affected software / configurations for CVE-2009-1791

Vendor Product Version Raw CPE
mega-nerd libsndfile 1.0.15 cpe:2.3:a:mega-nerd:libsndfile:1.0.15:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.16 cpe:2.3:a:mega-nerd:libsndfile:1.0.16:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.17 cpe:2.3:a:mega-nerd:libsndfile:1.0.17:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.18 cpe:2.3:a:mega-nerd:libsndfile:1.0.18:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.19 cpe:2.3:a:mega-nerd:libsndfile:1.0.19:*:*:*:*:*:*:*
nullsoft winamp 5.5 cpe:2.3:a:nullsoft:winamp:5.5:*:*:*:*:*:*:*
nullsoft winamp 5.51 cpe:2.3:a:nullsoft:winamp:5.51:*:*:*:*:*:*:*
nullsoft winamp 5.52 cpe:2.3:a:nullsoft:winamp:5.52:*:*:*:*:*:*:*
nullsoft winamp 5.54 cpe:2.3:a:nullsoft:winamp:5.54:*:*:*:*:*:*:*
nullsoft winamp 5.55 cpe:2.3:a:nullsoft:winamp:5.55:*:*:*:*:*:*:*
nullsoft winamp 5.541 cpe:2.3:a:nullsoft:winamp:5.541:*:*:*:*:*:*:*
nullsoft winamp 5.552 cpe:2.3:a:nullsoft:winamp:5.552:*:*:*:*:*:*:*

References for CVE-2009-1791

cvelogic Threat Intelligence