Heap-based buffer overflow in vqa_decode_chunk function in libavcodec allows remote attackers to execute arbitrary code via a crafted VQA media file.

CVE-2012-0947 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

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.

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