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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 4.68% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 91.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-08-20 18:00Z14 YR AGO
- Last updated
- 2024-08-06 18:45Z2 YR AGO
- Reserved
- 2012-02-01
- Assigning CNA
- canonical
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- 22b8a1aa3de287e5016342c2c9a78bf9b5290d21b3a82c634fbfe62050ba4266
05 Affected products
06 References
- bugs.launchpad.nethttps://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963
- www.ubuntu.comUSN-1479-1http://www.ubuntu.com/usn/USN-1479-1
- git.libav.orghttp://git.libav.org/?p=libav.git%3Ba=commit%3Bh=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3
- secunia.com49089http://secunia.com/advisories/49089
- www.debian.orgDSA-2471http://www.debian.org/security/2012/dsa-2471
- libav.orghttp://libav.org/
- www.securityfocus.com53389http://www.securityfocus.com/bid/53389
- www.openwall.com[oss-security] 20120503 Security issue in libav/ffmpeghttp://www.openwall.com/lists/oss-security/2012/05/03/4
07 Fixed in
Debian 12
- ffmpeg Fixed in 7:2.4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- ffmpeg Fixed in 7:2.4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- ffmpeg Fixed in 7:2.4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.