Back
CVE-2012-0947
Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in libavcodec in Libav 0.5.x before 0.5.9, 0.6.x…
Medium6.8EPSS 4.7%
- Published
- Updated
- Reserved
- Assigned by
- canonical
Description
Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in libavcodec in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.2 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted VQA media file in which the image size is not a multiple of the block size.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 4.7% · top 8.2% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
Affected products
n/a
- affected n/a
References (8)
- https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963 (opens in a new tab)x_refsource_MISCx_transferred
- USN-1479-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 49089 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2471 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://libav.org/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 53389 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20120503 Security issue in libav/ffmpeg (opens in a new tab)mailing-listx_refsource_MLISTx_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://trackcve.app/cve/CVE-2012-0947)Record last updated .