{"id":"CVE-2009-4631","aliases":["DEBIAN-CVE-2009-4631","DSA-2000-1","EUVD-2009-4596","GHSA-x344-wx2q-g6rh"],"status":"published","title":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a...","description":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05054,"percentile":0.92359,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-189"],"published":"2010-02-10T02:00:00Z","modified":"2026-10-23T17:47:30Z","fixes":[{"ecosystem":"Debian:12","package":"ffmpeg","fixed_in":["4:0.5+svn20090706-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ffmpeg","fixed_in":["4:0.5+svn20090706-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ffmpeg","fixed_in":["4:0.5+svn20090706-3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:0.5+svn20090706-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:0.5+svn20090706-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:0.5+svn20090706-3"}]}]},{"source":"osv","ecosystem":"Debian:5.0","package":"ffmpeg-debian","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.svn20080206-18+lenny1"}]}],"versions":["0.svn20080206-16","0.svn20080206-17","0.svn20080206-17+lenny1","0.svn20080206-18"],"bundled":9}],"products":[{"vendor":"ffmpeg","product":"ffmpeg"}],"references":[{"url":"http://secunia.com/advisories/36805","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/36465","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html","tags":["x_refsource_MISC","x_transferred","Exploit","evidence"]},{"url":"https://roundup.ffmpeg.org/roundup/ffmpeg/issue1483","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://secunia.com/advisories/38643","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2010/dsa-2000","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4631"},{"url":"https://github.com/advisories/GHSA-x344-wx2q-g6rh"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-4631","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-4631","description":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.","status":"published","published":"2010-02-10T02:00:00Z","modified":"2024-08-07T07:08:38.212Z","updated_at":"2026-11-02T14:33:24.451733Z"}],"euvd":[{"id":"EUVD-2009-4596","description":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.","status":"published","published":"2010-02-10T02:00:00Z","modified":"2024-08-07T07:08:38Z","updated_at":"2026-11-03T01:39:09.066496Z"}],"ghsa":[{"id":"GHSA-x344-wx2q-g6rh","title":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a...","description":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.","status":"published","published":"2022-05-02T03:56:36Z","modified":"2023-01-31T05:08:43Z","updated_at":"2026-11-02T14:49:26.621577Z"}],"nvd":[{"id":"CVE-2009-4631","description":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.","status":"published","published":"2010-02-10T02:30:00.483Z","modified":"2026-06-16T23:14:03.51Z","cvss":[{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:01:38.33745Z"}],"osv":[{"id":"CVE-2009-4631","description":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.","status":"published","published":"2010-02-10T02:30:00Z","modified":"2026-04-10T03:41:01.591003Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-4631","description":"Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted VP3 file that triggers an out-of-bounds read and possibly memory corruption.","status":"published","published":"2010-02-10T02:30:00.483Z","modified":"2026-10-23T17:47:30.388317781Z","updated_at":"2026-11-02T15:45:24.013654Z"},{"id":"DSA-2000-1","title":"ffmpeg-debian - several vulnerabilities","status":"published","published":"2010-02-18T00:00:00Z","modified":"2026-03-09T01:17:51.354734Z","updated_at":"2026-11-02T15:46:15.108335Z"}]}}