CVE-2012-0947

medium
Published 2012-08-20 · Modified 2026-04-29
CVSS v3
CVSS v2
6.8
VIR risk
6.8

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-0947

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed7:2.4.1-1
debian debianbullseyefixed7:2.4.1-1
debian debianforkyfixed7:2.4.1-1
debian debiansidfixed7:2.4.1-1
debian debiantrixiefixed7:2.4.1-1

Application impact

VendorProductVersionsFixed
libavlibav0.5
libavlibav0.5.1
libavlibav0.5.2
libavlibav0.5.3
libavlibav0.5.4
libavlibav0.5.5
libavlibav0.5.6
libavlibav0.5.7
libavlibav0.6
libavlibav0.6.1
libavlibav0.6.2
libavlibav0.6.3
libavlibav0.6.4
libavlibav0.6.5
libavlibav0.7
libavlibav0.7.1
libavlibav0.7.2
libavlibav0.7.3
libavlibav0.7.4
libavlibav0.7.5
libavlibav0.8
libavlibav0.8.1

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.