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CVE-2009-4631
Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute…
- 9.3HighCVSS base score
- 5.1%Exploitation in 30 daysEPSS · top 7.6% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 5.1% · top 7.6% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
References7
- 36805 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 36465 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240 (opens in a new tab)x_refsource_MISCx_transferred
- http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html (opens in a new tab)x_refsource_MISCx_transferred
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1483 (opens in a new tab)x_refsource_MISCx_transferred
- 38643 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2000 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-4596 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-4631)Record last updated .