CVE-2011-3937
The H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions before 0.10, and in…
- Published
- Updated
- Reserved
- Assigned by
- Chrome
Description
The H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions before 0.10, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1 has unspecified impact and attack vectors related to "width/height changing with frame threads."
Timeline
ID reserved
By Chrome
- 15 months later
· 15 months later
Published
- 12 years later
· 12 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 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (5)
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=71db86d53b5c6872cea31bf714a1a38ec78feaba (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2013:079 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- http://ffmpeg.org/security.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=71db86d53b5c6872cea31bf714a1a38ec78feaba (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://libav.org/news.html (opens in a new tab)x_refsource_CONFIRMx_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)
- 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-2011-3937)Record last updated .