{"id":"CVE-2020-20896","aliases":["DEBIAN-CVE-2020-20896","DSA-5126-1","EUVD-2020-13676","GHSA-f4hr-8v6m-mr63","SUSE-SU-2021:3521-1","SUSE-SU-2023:0005-1","UBUNTU-CVE-2020-20896","openSUSE-SU-2021:3521-1"],"status":"published","title":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1,...","description":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01158,"percentile":0.67309,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2021-09-20T15:19:58Z","modified":"2026-10-30T07:05:25Z","fixes":[{"ecosystem":"Debian:12","package":"ffmpeg","fixed_in":["7:4.3-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"ffmpeg","fixed_in":["7:4.3-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"ffmpeg","fixed_in":["7:4.3-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.3-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.3-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.3-2"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7:4.1.9-0+deb10u1"}]}],"versions":["7:4.1.3-1","7:4.1.4-1","7:4.1.4-1~deb10u1","7:4.1.6-1~deb10u1","7:4.1.8-0+deb10u1"],"bundled":6},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Desktop Applications 15 SP2","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-11.17.1"}]}],"bundled":12},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Desktop Applications 15 SP3","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-11.17.1"}]}],"bundled":12},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP2","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-11.17.1"}]}],"bundled":12},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Package Hub 15 SP3","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-11.17.1"}]}],"bundled":12},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Workstation Extension 15 SP2","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-11.17.1"}]}],"bundled":12},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Workstation Extension 15 SP3","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-11.17.1"}]}],"bundled":12},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15-ESPOS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15-LTSS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15-LTSS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-BCL","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 15 SP1-LTSS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP1","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"SUSE:Enterprise Storage 6","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-150000.4.44.1"}]}],"bundled":14},{"source":"osv","ecosystem":"openSUSE:Leap 15.3","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-11.17.1"}]}],"bundled":12}],"products":[{"vendor":"ffmpeg","product":"ffmpeg"}],"references":[{"url":"https://trac.ffmpeg.org/ticket/8273","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/dd01947397b98e94c3f2a79d5820aaf4594f4d3b","tags":["x_refsource_MISC","x_transferred","Mailing List","Patch","Vendor Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20896"},{"url":"https://github.com/advisories/GHSA-f4hr-8v6m-mr63"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-20896","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213521-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1186756","tags":["report"]},{"url":"https://bugzilla.suse.com/1187852","tags":["report"]},{"url":"https://bugzilla.suse.com/1189166","tags":["report"]},{"url":"https://bugzilla.suse.com/1190718","tags":["report"]},{"url":"https://bugzilla.suse.com/1190719","tags":["report"]},{"url":"https://bugzilla.suse.com/1190722","tags":["report"]},{"url":"https://bugzilla.suse.com/1190723","tags":["report"]},{"url":"https://bugzilla.suse.com/1190726","tags":["report"]},{"url":"https://bugzilla.suse.com/1190729","tags":["report"]},{"url":"https://bugzilla.suse.com/1190733","tags":["report"]},{"url":"https://bugzilla.suse.com/1190734","tags":["report"]},{"url":"https://bugzilla.suse.com/1190735","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-20891","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-20892","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-20895","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-20896","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-20899","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-20902","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-22037","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-35965","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3566","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-38092","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-38093","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-38094","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2023/suse-su-20230005-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1186761","tags":["report"]},{"url":"https://bugzilla.suse.com/1206442","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-22042","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2022-3109","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-20896","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-20896","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/HVCB2YATP2LRWUBIGFYZQUFV52VSFT2B/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2020-20896","description":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.","status":"published","published":"2021-09-20T15:19:58Z","modified":"2024-08-04T14:22:25.465Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13676","description":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.","status":"published","published":"2021-09-20T15:19:58Z","modified":"2024-08-04T14:22:25Z","updated_at":"2026-11-03T03:07:24.233243Z"}],"ghsa":[{"id":"GHSA-f4hr-8v6m-mr63","title":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1,...","description":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.","status":"published","published":"2022-05-24T19:15:16Z","modified":"2023-01-30T05:02:25Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:46:38.066268Z"}],"nvd":[{"id":"CVE-2020-20896","description":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.","status":"published","published":"2021-09-20T16:15:09.167Z","modified":"2026-06-17T03:03:26.31Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"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-476"],"updated_at":"2026-11-02T14:06:45.704484Z"}],"osv":[{"id":"CVE-2020-20896","description":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.","status":"published","published":"2021-09-20T16:15:09.167Z","modified":"2026-11-07T13:20:12.554306772Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-07T03:07:44.896241Z"},{"id":"DEBIAN-CVE-2020-20896","description":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.","status":"published","published":"2021-09-20T16:15:09.167Z","modified":"2026-10-26T12:00:49.983509238Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.384087Z"},{"id":"UBUNTU-CVE-2020-20896","description":"An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.","status":"withdrawn","published":"2021-09-20T16:15:00Z","modified":"2026-03-03T06:07:40.795613Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.905183Z"},{"id":"DSA-5126-1","title":"ffmpeg - security update","status":"published","published":"2022-05-01T00:00:00Z","modified":"2026-03-09T02:10:35.604112Z","updated_at":"2026-11-02T15:46:17.543497Z"},{"id":"openSUSE-SU-2021:3521-1","title":"Security update for ffmpeg","description":"This update for ffmpeg fixes the following issues:\n\n- CVE-2021-3566: Fixed information leak (bsc#1189166).\n- CVE-2021-38093: Fixed integer overflow vulnerability in filter_robert() (bsc#1190734)\n- CVE-2021-38092: Fixed integer overflow vulnerability in filter_prewitt() (bsc#1190733)\n- CVE-2021-38094: Fixed integer overflow vulnerability in filter_sobel() (bsc#1190735)\n- CVE-2020-22037: Fixed denial of service vulnerability caused by memory leak in avcodec_alloc_context3() (bsc#1186756)\n- CVE-2020-35965: Fixed out-of-bounds write in decode_frame() (bsc#1187852)\n- CVE-2020-20892: Fixed an issue with filter_frame() (bsc#1190719)\n- CVE-2020-20891: Fixed a buffer overflow vulnerability in config_input() (bsc#1190718)\n- CVE-2020-20895: Fixed a buffer overflow vulnerability in function filter_vertically_##name (bsc#1190722)\n- CVE-2020-20896: Fixed an issue with latm_write_packet() (bsc#1190723)\n- CVE-2020-20899: Fixed a buffer overflow vulnerability in config_props() (bsc#1190726)\n- CVE-2020-20902: Fixed an out-of-bounds read vulnerabilit long_term_filter() (bsc#1190729)\n","status":"published","published":"2021-10-26T13:39:27Z","modified":"2026-02-04T04:37:04.307457Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"SUSE-SU-2021:3521-1","title":"Security update for ffmpeg","description":"This update for ffmpeg fixes the following issues:\n\n- CVE-2021-3566: Fixed information leak (bsc#1189166).\n- CVE-2021-38093: Fixed integer overflow vulnerability in filter_robert() (bsc#1190734)\n- CVE-2021-38092: Fixed integer overflow vulnerability in filter_prewitt() (bsc#1190733)\n- CVE-2021-38094: Fixed integer overflow vulnerability in filter_sobel() (bsc#1190735)\n- CVE-2020-22037: Fixed denial of service vulnerability caused by memory leak in avcodec_alloc_context3() (bsc#1186756)\n- CVE-2020-35965: Fixed out-of-bounds write in decode_frame() (bsc#1187852)\n- CVE-2020-20892: Fixed an issue with filter_frame() (bsc#1190719)\n- CVE-2020-20891: Fixed a buffer overflow vulnerability in config_input() (bsc#1190718)\n- CVE-2020-20895: Fixed a buffer overflow vulnerability in function filter_vertically_##name (bsc#1190722)\n- CVE-2020-20896: Fixed an issue with latm_write_packet() (bsc#1190723)\n- CVE-2020-20899: Fixed a buffer overflow vulnerability in config_props() (bsc#1190726)\n- CVE-2020-20902: Fixed an out-of-bounds read vulnerabilit long_term_filter() (bsc#1190729)\n","status":"published","published":"2021-10-26T13:39:26Z","modified":"2026-02-04T03:01:13.927489Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2023:0005-1","title":"Security update for ffmpeg","description":"This update for ffmpeg fixes the following issues:\n\n- CVE-2022-3109: Fixed null pointer dereference in vp3_decode_frame() (bsc#1206442).\n- CVE-2020-22042: Fixed a denial of service vulnerability led by a memory leak in the link_filter_inouts function in libavfilter/graphparser.c. (bsc#1186761)\n- CVE-2021-38094: Fixed an integer overflow vulnerability in function filter_sobel in libavfilter/vf_convolution.c (bsc#1190735).\n- CVE-2021-38093: Fixed an integer Overflow vulnerability in function filter_robert in libavfilter/vf_convolution.c (bsc#1190734).\n- CVE-2021-38092: Fixed an Integer Overflow vulnerability in function filter_prewitt in libavfilter/vf_convolution.c (bsc#1190733).\n- CVE-2020-22037: Fixed a denial of service vulnerability due to a memory leak in avcodec_alloc_context3 at options.c (bsc#1186756).\n- CVE-2021-3566: Fixed an exposure of sensitive information on ffmpeg version prior to 4.3 (bsc#1189166).\n- CVE-2020-35965: Fixed an out-of-bounds write in decode_frame in libavcodec/exr.c (bsc#1187852).\n- CVE-2020-20892: Fixed a division by zero in function filter_frame in libavfilter/vf_lenscorrection.c (bsc#1190719).\n- CVE-2020-20891: Fixed a buffer overflow vulnerability in function config_input in libavfilter/vf_gblur.c (bsc#1190718).\n- CVE-2020-20895: Fixed a buffer overflow vulnerability in function filter_vertically_##name in libavfilter/vf_avgblur.c (bsc#1190722).\n- CVE-2020-20896: Fixed a NULL pointer dereference in function latm_write_packet in libavformat/latmenc.c (bsc#1190723).\n- CVE-2020-20899: Fixed a buffer overflow vulnerability in function config_props in libavfilter/vf_bwdif.c (bsc#1190726).\n- CVE-2020-20902: Fixed an out-of-bounds read vulnerability in long_term_filter function in g729postfilter.c (bsc#1190729).\n","status":"published","published":"2023-01-02T10:39:08Z","modified":"2026-02-04T04:15:17.492211Z","updated_at":"2026-11-02T15:53:51.853735Z"}]}}