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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| 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 |
| 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:*:*:*:*:*:*:* |