CVE-2007-4974

Heap-based buffer overflow in the flac_buffer_copy function in libsndfile 1.0.17 and earlier might allow remote attackers to execute arbitrary code via a FLAC file with crafted PCM data containing a block with a size that exceeds the previous block size.

Published: 2007-09-19 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4974 is rated Moderate Risk (62.3/100): CVSS High severity, with high exploitation likelihood (EPSS 7.06%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: 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-2007-4974

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 2026-05-08 6.80% 7.06% +0.26%
2 2025-12-04 6.40% 6.80% +0.40%
3 2025-03-30 6.40%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4974

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2007-4974

OS Trackers for CVE-2007-4974

vendor priority summary link
debian medium CVE-2007-4974 medium priority: Debian including 2 source packages (ardour, libsndfile), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. https://security-tracker.debian.org/tracker/CVE-2007-4974
gentoo normal CVE-2007-4974: 1 GLSA(s) (200710-04), 1 atom(s) (media-libs/libsndfile); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2007-4974
redhat low https://access.redhat.com/security/cve/CVE-2007-4974
suse high CVE-2007-4974 severity important: SUSE including 15 source package names (ardour-6.9.0-1.1, libsndfile-1.0.20-2.1.46, …), 18 product×package rows across 7 product lines (SUSE Linux Enterprise Server 11 SP1, SUSE Linux Enterprise Server 11 SP2, … (7 product lines)): Fixed 18. https://www.suse.com/security/cve/CVE-2007-4974/
ubuntu medium CVE-2007-4974 medium priority: Ubuntu including 1 source packages (libsndfile), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 4. https://ubuntu.com/security/CVE-2007-4974

Affected software / configurations for CVE-2007-4974

Vendor Product Version Raw CPE
mega-nerd libsndfile <= 1.0.17 cpe:2.3:a:mega-nerd:libsndfile:*:*:*:*:*:*:*:*
mega-nerd libsndfile 0.0.8 cpe:2.3:a:mega-nerd:libsndfile:0.0.8:*:*:*:*:*:*:*
mega-nerd libsndfile 0.0.28 cpe:2.3:a:mega-nerd:libsndfile:0.0.28:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.0 cpe:2.3:a:mega-nerd:libsndfile:1.0.0:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.0 cpe:2.3:a:mega-nerd:libsndfile:1.0.0:rc1:*:*:*:*:*:*
mega-nerd libsndfile 1.0.0 cpe:2.3:a:mega-nerd:libsndfile:1.0.0:rc6:*:*:*:*:*:*
mega-nerd libsndfile 1.0.1 cpe:2.3:a:mega-nerd:libsndfile:1.0.1:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.10 cpe:2.3:a:mega-nerd:libsndfile:1.0.10:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.11 cpe:2.3:a:mega-nerd:libsndfile:1.0.11:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.12 cpe:2.3:a:mega-nerd:libsndfile:1.0.12:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.13 cpe:2.3:a:mega-nerd:libsndfile:1.0.13:*:*:*:*:*:*:*
mega-nerd libsndfile 1.0.14 cpe:2.3:a:mega-nerd:libsndfile:1.0.14:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

References for CVE-2007-4974

URL Tags
http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00002.html
http://secunia.com/advisories/26921 Vendor Advisory
http://secunia.com/advisories/26932 Vendor Advisory
http://secunia.com/advisories/27018 Vendor Advisory
http://secunia.com/advisories/27071 Vendor Advisory
http://secunia.com/advisories/27100 Vendor Advisory
http://secunia.com/advisories/28265 Vendor Advisory
http://secunia.com/advisories/28412 Vendor Advisory
http://security.gentoo.org/glsa/glsa-200710-04.xml
http://www.debian.org/security/2007/dsa-1442
http://www.mandriva.com/security/advisories?name=MDKSA-2007:191
http://www.securityfocus.com/bid/25758
http://www.ubuntu.com/usn/usn-525-1
http://www.vupen.com/english/advisories/2007/3241 Vendor Advisory
https://bugs.gentoo.org/show_bug.cgi?id=192834
https://bugzilla.redhat.com/show_bug.cgi?id=296221
https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00344.html
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