{"id":"CVE-2012-0947","aliases":["DEBIAN-CVE-2012-0947","DSA-2471-1","EUVD-2012-0970","GHSA-mrcx-gg4f-hxqf"],"status":"published","title":"Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in...","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.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04686,"percentile":0.91845,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2012-05-13T00:00:00Z","modified":"2026-10-23T17:47:39Z","fixes":[{"ecosystem":"Debian:12","package":"ffmpeg","fixed_in":["7:2.4.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ffmpeg","fixed_in":["7:2.4.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ffmpeg","fixed_in":["7:2.4.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:2.4.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:2.4.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:2.4.1-1"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:0.5.8-1"}]}],"versions":["4:0.5.2-6","4:0.5.4-1","4:0.5.5-1","4:0.5.6-3"],"bundled":10}],"products":[{"vendor":"libav","product":"libav"}],"references":[{"url":"https://bugs.launchpad.net/ubuntu/+source/libav/+bug/980963","tags":["x_refsource_MISC","x_transferred","Exploit","evidence"]},{"url":"http://www.ubuntu.com/usn/USN-1479-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/49089","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2012/dsa-2471","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://libav.org/","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/53389","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2012/05/03/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-0947"},{"url":"http://git.libav.org/?p=libav.git;a=commit;h=58b2e0f0f2fc96c1158e04f8aba95cbe6157a1a3"},{"url":"http://libav.org"},{"url":"https://github.com/advisories/GHSA-mrcx-gg4f-hxqf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2012-0947","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2012-0947","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.","status":"published","published":"2012-08-20T18:00:00Z","modified":"2024-08-06T18:45:25.955Z","updated_at":"2026-11-02T14:34:52.638543Z"}],"euvd":[{"id":"EUVD-2012-0970","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.","status":"published","published":"2012-08-20T18:00:00Z","modified":"2024-08-06T18:45:25Z","updated_at":"2026-11-03T01:56:19.286375Z"}],"ghsa":[{"id":"GHSA-mrcx-gg4f-hxqf","title":"Heap-based buffer overflow in the vqa_decode_chunk function in the VQA codec (vqavideo.c) in...","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.","status":"published","published":"2022-05-17T05:18:41Z","modified":"2025-04-11T04:00:54Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:01:11.561612Z"}],"nvd":[{"id":"CVE-2012-0947","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.","status":"published","published":"2012-08-20T18:55:02.95Z","modified":"2026-06-16T23:38:33.553Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:15.188652Z"}],"osv":[{"id":"CVE-2012-0947","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.","status":"published","published":"2012-08-20T18:55:02Z","modified":"2026-04-10T03:42:13.158511Z","updated_at":"2026-11-02T15:43:58.537032Z"},{"id":"DEBIAN-CVE-2012-0947","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.","status":"published","published":"2012-08-20T18:55:02.95Z","modified":"2026-10-23T17:47:39.432370946Z","updated_at":"2026-11-02T15:45:24.92418Z"},{"id":"DSA-2471-1","title":"ffmpeg - several","status":"published","published":"2012-05-13T00:00:00Z","modified":"2026-03-09T01:23:36.238388Z","updated_at":"2026-11-02T15:46:15.489951Z"}]}}