{"id":"CVE-2026-120210","aliases":["DEBIAN-CVE-2026-120210","EUVD-2026-114731","GHSA-437x-xcvf-w98c","UBUNTU-CVE-2026-120210"],"status":"published","title":"FFmpeg 5.0 through 9.0.2 Path Traversal via IMF Demuxer ASSETMAP Path","description":"FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSETMAP Path elements. Attackers can supply a crafted IMF package with '..' or absolute paths to demux local MXF files, probe file existence and size, or trigger server-side requests.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00276,"percentile":0.20266,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-10-31T17:25:56Z","modified":"2026-11-04T03:30:38Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7:5.1.3-1","7:5.1.3-2","7:5.1.4-0+deb12u1","7:5.1.5-0+deb12u1","7:5.1.6-0+deb12u1","7:5.1.7-0+deb12u1","7:5.1.8-0+deb12u1","7:5.1.9-0+deb12u1","7:6.0-1","7:6.0-2","7:6.0-3","7:6.0-4","7:6.0-5","7:6.0-6","7:6.0-7","7:6.0-8","7:6.0-9","7:6.1-1","7:6.1-2","7:6.1-3","7:6.1-4","7:6.1-5","7:6.1.1-1","7:6.1.1-2","7:6.1.1-3","7:6.1.1-4","7:6.1.1-5","7:7.0-1","7:7.0.1-1","7:7.0.1-2","7:7.0.1-3","7:7.0.1-4","7:7.0.1-5","7:7.0.2-1","7:7.0.2-2","7:7.0.2-3","7:7.1-1","7:7.1-2","7:7.1-3","7:7.1-4","7:7.1.1-1","7:7.1.2-1","7:7.1.3-1","7:8.0-1","7:8.0-2","7:8.0.1-1","7:8.0.1-2","7:8.0.1-3","7:8.1-1","7:8.1-2","7:8.1-3","7:8.1.1-1","7:8.1.1-2","7:8.1.1-3","7:8.1.1-4","7:8.1.2-1","7:8.1.2-2","7:9.0-1","7:9.0.1-1","7:9.0.2-1","7:9.0.2-2","7:9.0.2-3","7:9.0.2-4"]},{"source":"osv","ecosystem":"Debian:13","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7:7.1.1-1","7:7.1.2-0+deb13u1","7:7.1.2-1","7:7.1.3-0+deb13u1","7:7.1.3-1","7:7.1.4-0+deb13u1","7:7.1.5-0+deb13u1","7:8.0-1","7:8.0-2","7:8.0.1-1","7:8.0.1-2","7:8.0.1-3","7:8.1-1","7:8.1-2","7:8.1-3","7:8.1.1-1","7:8.1.1-2","7:8.1.1-3","7:8.1.1-4","7:8.1.2-1","7:8.1.2-2","7:9.0-1","7:9.0.1-1","7:9.0.2-1","7:9.0.2-2","7:9.0.2-3","7:9.0.2-4"]},{"source":"osv","ecosystem":"Debian:14","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7:7.1.1-1","7:7.1.2-1","7:7.1.3-1","7:8.0-1","7:8.0-2","7:8.0.1-1","7:8.0.1-2","7:8.0.1-3","7:8.1-1","7:8.1-2","7:8.1-3","7:8.1.1-1","7:8.1.1-2","7:8.1.1-3","7:8.1.1-4","7:8.1.2-1","7:8.1.2-2","7:9.0-1","7:9.0.1-1","7:9.0.2-1","7:9.0.2-2","7:9.0.2-3","7:9.0.2-4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"libav","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6:0.8.7-1ubuntu2","6:9.10-1ubuntu1","6:9.10-1ubuntu2","6:9.10-1ubuntu5","6:9.10-1ubuntu6","6:9.10-1ubuntu7","6:9.11-2ubuntu1","6:9.11-2ubuntu2","6:9.13-0ubuntu0.14.04.1","6:9.14-0ubuntu0.14.04.1","6:9.16-0ubuntu0.14.04.1","6:9.18-0ubuntu0.14.04.1","6:9.20-0ubuntu0.14.04.1","6:9.20-0ubuntu0.14.04.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","7:2.8.15-0ubuntu0.16.04.1","7:2.8.15-0ubuntu0.16.04.1+esm1","7:2.8.17-0ubuntu0.1","7:2.8.17-0ubuntu0.1+esm1","7:2.8.17-0ubuntu0.1+esm2","7:2.8.17-0ubuntu0.1+esm3","7:2.8.17-0ubuntu0.1+esm4","7:2.8.17-0ubuntu0.1+esm5","7:2.8.17-0ubuntu0.1+esm6","7:2.8.17-0ubuntu0.1+esm7","7:2.8.17-0ubuntu0.1+esm8","7:2.8.17-0ubuntu0.1+esm9","7:2.8.17-0ubuntu0.1+esm10","7:2.8.17-0ubuntu0.1+esm11","7:2.8.17-0ubuntu0.1+esm12","7:2.8.17-0ubuntu0.1+esm13","7:2.8.17-0ubuntu0.1+esm14","7:2.8.17-0ubuntu0.1+esm15","7:2.8.17-0ubuntu0.1+esm16","7:2.8.17-0ubuntu0.1+esm17","7:2.8.17-0ubuntu0.1+esm18"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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","7:3.4.4-0ubuntu0.18.04.1","7:3.4.6-0ubuntu0.18.04.1","7:3.4.8-0ubuntu0.2","7:3.4.11-0ubuntu0.1","7:3.4.11-0ubuntu0.1+esm1","7:3.4.11-0ubuntu0.1+esm2","7:3.4.11-0ubuntu0.1+esm3","7:3.4.11-0ubuntu0.1+esm4","7:3.4.11-0ubuntu0.1+esm5","7:3.4.11-0ubuntu0.1+esm6","7:3.4.11-0ubuntu0.1+esm7","7:3.4.11-0ubuntu0.1+esm8","7:3.4.11-0ubuntu0.1+esm9","7:3.4.11-0ubuntu0.1+esm10","7:3.4.11-0ubuntu0.1+esm11","7:3.4.11-0ubuntu0.1+esm12","7:3.4.11-0ubuntu0.1+esm13","7:3.4.11-0ubuntu0.1+esm14","7:3.4.11-0ubuntu0.1+esm15","7:3.4.11-0ubuntu0.1+esm16"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7:4.1.4-1build2","7:4.2.1-2","7:4.2.1-2ubuntu1","7:4.2.2-1build1","7:4.2.2-1ubuntu1","7:4.2.4-1ubuntu0.1","7:4.2.4-1ubuntu0.1+esm1","7:4.2.7-0ubuntu0.1","7:4.2.7-0ubuntu0.1+esm1","7:4.2.7-0ubuntu0.1+esm2","7:4.2.7-0ubuntu0.1+esm3","7:4.2.7-0ubuntu0.1+esm4","7:4.2.7-0ubuntu0.1+esm5","7:4.2.7-0ubuntu0.1+esm6","7:4.2.7-0ubuntu0.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Attackers can supply a crafted IMF package with '..' or absolute paths to demux local MXF files, probe file existence and size, or trigger server-side requests.","status":"published","published":"2026-10-31T17:25:56.847Z","modified":"2026-11-05T15:34:41.525Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-05T16:36:34.343037Z"}],"euvd":[{"id":"EUVD-2026-114731","description":"FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSETMAP Path elements. Attackers can supply a crafted IMF package with '..' or absolute paths to demux local MXF files, probe file existence and size, or trigger server-side requests.","status":"published","published":"2026-10-31T17:25:56Z","modified":"2026-11-05T15:34:41Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-05T18:00:59.460287Z"}],"ghsa":[{"id":"GHSA-437x-xcvf-w98c","title":"FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows...","description":"FFmpeg 5.0 through 9.0.2 contains a path traversal vulnerability in the IMF demuxer that allows attackers to open files outside the package via unvalidated ASSETMAP Path elements. 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