{"id":"CVE-2023-46407","aliases":["ALPINE-CVE-2023-46407","EUVD-2023-50626","GHSA-9j42-4j78-g4mh","UBUNTU-CVE-2023-46407"],"status":"published","title":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-...","description":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00311,"percentile":0.24241,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-125"],"published":"2023-10-27T00:00:00Z","modified":"2026-11-06T10:46:26Z","fixes":[{"ecosystem":"Alpine:v3.19","package":"ffmpeg","fixed_in":["6.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"ffmpeg","fixed_in":["6.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"ffmpeg","fixed_in":["6.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"ffmpeg","fixed_in":["6.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"ffmpeg","fixed_in":["6.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"ffmpeg","fixed_in":["6.1-r0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.19","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"ffmpeg","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1-r0"}]}]}],"products":[{"vendor":"ffmpeg","product":"ffmpeg"}],"references":[{"url":"https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962","tags":["x_transferred","Patch","fix","report"]},{"url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/","tags":["x_transferred","Patch","web","report"]},{"url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/","tags":["x_transferred","Patch","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46407","tags":["advisory"]},{"url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com"},{"url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen@gmail.com"},{"url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com"},{"url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen@gmail.com"},{"url":"https://github.com/advisories/GHSA-9j42-4j78-g4mh"},{"url":"https://security.alpinelinux.org/vuln/CVE-2023-46407","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/46xxx/CVE-2023-46407.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2023-46407","tags":["report"]},{"url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen@gmail.com/","tags":["report"]},{"url":"https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen@gmail.com/","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-46407","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-46407","description":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","status":"published","published":"2023-10-27T00:00:00Z","modified":"2024-08-02T20:45:41.69Z","updated_at":"2026-11-02T14:35:23.309349Z"}],"euvd":[{"id":"EUVD-2023-50626","description":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","status":"published","published":"2023-10-27T00:00:00Z","modified":"2024-08-02T20:45:41Z","updated_at":"2026-11-03T03:49:58.369276Z"}],"ghsa":[{"id":"GHSA-9j42-4j78-g4mh","title":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-...","description":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","status":"published","published":"2023-10-27T21:30:23Z","modified":"2025-08-11T12:31:36Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:03:14.349614Z"}],"nvd":[{"id":"CVE-2023-46407","description":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","status":"published","published":"2023-10-27T20:15:09.087Z","modified":"2026-06-17T06:30:48.683Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:08:40.004465Z"}],"osv":[{"id":"ALPINE-CVE-2023-46407","description":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","status":"published","published":"2023-10-27T20:15:09.087Z","modified":"2026-11-03T06:32:43.610705134Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T07:17:02.90744Z"},{"id":"UBUNTU-CVE-2023-46407","description":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","status":"withdrawn","published":"2023-10-27T20:15:00Z","modified":"2025-07-16T07:20:47.949219Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:22.741943Z"},{"id":"CVE-2023-46407","description":"FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist-\u003ealphabet_size variable in the read_vlc_prefix() function.","status":"published","published":"2023-10-27T00:00:00Z","modified":"2026-11-07T13:18:03.631453811Z","updated_at":"2026-11-07T11:15:38.581573Z"}]}}