{"id":"CVE-2009-4634","aliases":["DEBIAN-CVE-2009-4634","DSA-2000-1","EUVD-2009-4599","GHSA-66fh-frph-79g7"],"status":"published","title":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and...","description":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07152,"percentile":0.94317,"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":"2026-10-23T17:47:32Z","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://www.mandriva.com/security/advisories?name=MDVSA-2011:088","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"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":"http://secunia.com/advisories/39482","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:061","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:112","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:114","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html","tags":["x_refsource_MISC","x_transferred","Exploit","evidence"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:059","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/38643","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/1241","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2011:060","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2010/dsa-2000","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.ubuntu.com/usn/USN-931-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.vupen.com/english/advisories/2010/0935","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-4634"},{"url":"https://github.com/advisories/GHSA-66fh-frph-79g7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-4634","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-4634","description":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.","status":"published","published":"2010-02-10T02:00:00Z","modified":"2024-08-07T07:08:38.031Z","updated_at":"2026-11-02T14:33:24.782697Z"}],"euvd":[{"id":"EUVD-2009-4599","description":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.","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-66fh-frph-79g7","title":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and...","description":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.","status":"published","published":"2022-05-02T03:56:37Z","modified":"2023-01-31T05:09:35Z","updated_at":"2026-11-02T14:49:31.299187Z"}],"nvd":[{"id":"CVE-2009-4634","description":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.","status":"published","published":"2010-02-10T02:30:00.593Z","modified":"2026-06-16T23:14:03.93Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/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-2009-4634","description":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.","status":"published","published":"2010-02-10T02:30:00Z","modified":"2026-04-10T03:41:04.194598Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-4634","description":"Multiple integer underflows in FFmpeg 0.5 allow remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted file that (1) bypasses a validation check in vorbis_dec.c and triggers a wraparound of the stack pointer, or (2) access a pointer from out-of-bounds memory in mov.c, related to an elst tag that appears before a tag that creates a stream.","status":"published","published":"2010-02-10T02:30:00.593Z","modified":"2026-10-23T17:47:32.062402588Z","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"}]}}