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 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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 4.7% (92th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-0970)
- Published
- August 20, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-0970 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
- libav / libav
References
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3
- http://libav.org/
- http://secunia.com/advisories/49089
- http://www.debian.org/security/2012/dsa-2471
- http://www.openwall.com/lists/oss-security/2012/05/03/4
- http://www.securityfocus.com/bid/53389
- http://www.ubuntu.com/usn/USN-1479-1
- https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963(Exploit)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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