{"id":"CVE-2018-7557","aliases":["ALPINE-CVE-2018-7557","DEBIAN-CVE-2018-7557","DLA-1630-1","DSA-4249-1","EUVD-2018-19284","GHSA-6wh2-f463-c2vf","MGASA-2018-0319","UBUNTU-CVE-2018-7557"],"status":"published","title":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote...","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01888,"percentile":0.79693,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2018-02-28T07:00:00Z","modified":"2026-11-03T06:31:32Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"ffmpeg","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"ffmpeg4","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"ffmpeg4","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"ffmpeg4","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"ffmpeg4","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"ffmpeg4","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"ffmpeg4","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"ffmpeg4","fixed_in":["3.4.3-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"ffmpeg","fixed_in":["7:3.4.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ffmpeg","fixed_in":["7:3.4.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ffmpeg","fixed_in":["7:3.4.3-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"ffmpeg","fixed_in":["7:2.8.15-0ubuntu0.16.04.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"ffmpeg","fixed_in":["7:3.4.4-0ubuntu0.18.04.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.8","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.9","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.8"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"ffmpeg4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"ffmpeg4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"ffmpeg4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"ffmpeg4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"ffmpeg4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"ffmpeg4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"ffmpeg4","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.3-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.4.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.4.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.4.3-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"libav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6:11.12-1~deb8u4"}]}],"versions":["6:11.11-1~deb8u1","6:11.12-1~deb8u1","6:11.12-1~deb8u2","6:11.12-1~deb8u3","6:11.3-1","6:11.3-1+deb8u1","6:11.3-2","6:11.3-3","6:11.4-1","6:11.4-1~deb8u1","6:11.4-2","6:11.4-2+x32.1","6:11.6-1~deb8u1","6:11.7-1~deb8u1","6:11.8-1~deb8u1","6:11.9-1~deb8u1"],"bundled":14},{"source":"osv","ecosystem":"Debian:9","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.2.11-1~deb9u1"}]}],"versions":["7:3.2.10-1~deb9u1","7:3.2.10-1~deb9u1~bpo8+1","7:3.2.5-1","7:3.2.6-1","7:3.2.7-1~deb9u1","7:3.2.8-1~deb9u1","7:3.2.9-1~deb9u1"],"bundled":11},{"source":"osv","ecosystem":"Mageia:6","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.8-1.mga6"}]}],"bundled":7},{"source":"osv","ecosystem":"Mageia:6","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.3.8-1.mga6.tainted"}]}],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:2.8.15-0ubuntu0.16.04.1"}]}],"versions":["7:2.7.2-1build1","7:2.8.1-1ubuntu1","7:2.8.2-1ubuntu1","7:2.8.3-1","7:2.8.4-1","7:2.8.4-1ubuntu1","7:2.8.4-1ubuntu2","7:2.8.4-1ubuntu3","7:2.8.4-1ubuntu4","7:2.8.6-1ubuntu1","7:2.8.6-1ubuntu2","7:2.8.8-0ubuntu0.16.04.1","7:2.8.10-0ubuntu0.16.04.1","7:2.8.11-0ubuntu0.16.04.1","7:2.8.14-0ubuntu0.16.04.1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:3.4.4-0ubuntu0.18.04.1"}]}],"versions":["7:3.3.4-2","7:3.3.4-2build3","7:3.4-2ubuntu2","7:3.4-4","7:3.4-4build1","7:3.4.1-1","7:3.4.1-1build1","7:3.4.2-1","7:3.4.2-1build1","7:3.4.2-2"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"ffmpeg","product":"ffmpeg"}],"references":[{"url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/7414d0bda7763f9bd69c26c068e482ab297c1c96","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","fix","report"]},{"url":"https://www.debian.org/security/2018/dsa-4249","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://security.gentoo.org/glsa/202003-65","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/e724bd1dd9efea3abb8586d6644ec07694afceae","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-7557"},{"url":"https://github.com/advisories/GHSA-6wh2-f463-c2vf"},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-7557","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-7557","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2018-0319.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=23329","tags":["report"]},{"url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/n3.3.8","tags":["web"]},{"url":"http://ffmpeg.org/download.html","tags":["web"]},{"url":"http://ffmpeg.org/security.html","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2018-7557","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-7557","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-7557","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","status":"published","published":"2018-02-28T07:00:00Z","modified":"2024-08-05T06:31:04.508Z","updated_at":"2026-11-02T14:35:10.313768Z"}],"euvd":[{"id":"EUVD-2018-19284","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","status":"published","published":"2018-02-28T07:00:00Z","modified":"2024-08-05T06:31:04Z","updated_at":"2026-11-03T02:40:05.625439Z"}],"ghsa":[{"id":"GHSA-6wh2-f463-c2vf","title":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote...","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","status":"published","published":"2022-05-13T01:12:15Z","modified":"2023-01-28T05:04:59Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:44:17.062669Z"}],"nvd":[{"id":"CVE-2018-7557","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","status":"published","published":"2018-02-28T07:29:00.463Z","modified":"2026-06-17T02:03:22.073Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:04:23.783914Z"}],"osv":[{"id":"ALPINE-CVE-2018-7557","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","status":"published","published":"2018-02-28T07:29:00.463Z","modified":"2026-11-03T06:31:32.118466224Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T07:18:23.800469Z"},{"id":"CVE-2018-7557","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","status":"published","published":"2018-02-28T07:29:00.463Z","modified":"2026-11-07T13:20:04.972318111Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-07T11:15:38.581573Z"},{"id":"DEBIAN-CVE-2018-7557","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","status":"published","published":"2018-02-28T07:29:00.463Z","modified":"2026-10-23T18:03:58.560621951Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:31.170944Z"},{"id":"UBUNTU-CVE-2018-7557","description":"The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.","status":"published","published":"2018-02-28T07:29:00Z","modified":"2026-04-22T12:03:05.709829Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:18.772093Z"},{"id":"DLA-1630-1","title":"libav - security update","status":"published","published":"2019-01-07T00:00:00Z","modified":"2026-03-09T01:20:24.7414Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DSA-4249-1","title":"ffmpeg - security update","status":"published","published":"2018-07-17T00:00:00Z","modified":"2026-03-09T02:10:18.818901Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"MGASA-2018-0319","title":"Updated ffmpeg packages fix security vulnerabilities","description":"This update provides ffmpeg version 3.3.8, which fixes several security\nvulnerabilities and other bugs which were corrected upstream.\n","status":"published","published":"2018-07-23T22:27:34Z","modified":"2026-04-16T06:22:41.495361034Z","updated_at":"2026-11-02T15:49:40.793816Z"}]}}