{"id":"CVE-2026-107695","published":"2026-10-08T18:17:25.967","lastModified":"2026-10-14T23:54:54.473","description":"FFmpeg before 8.1.3 contains an infinite loop vulnerability in the HLS demuxer that allows remote attackers to cause denial of service because parse_playlist() accepts Master Playlist tags inside Media Playlists. Attackers can trick victims into opening a crafted self-referencing playlist that endlessly adds variants in hls_read_header(), causing unbounded CPU and I/O consumption.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-835"],"vendors":["ffmpeg"],"products":["ffmpeg"],"references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23618","tags":["Issue Tracking","Patch"]},{"url":"https://gist.github.com/OxBat/59574a2940092cda1b6e76bbf96f53d0","tags":["Exploit","Mitigation","Third Party Advisory"]},{"url":"https://github.com/FFmpeg/FFmpeg","tags":["Product"]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n8.1.2/libavformat/hls.c#L866","tags":["Product"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/0e6eef35517a","tags":["Patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/a4ddaba8bb78","tags":["Patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/c364ab176f722bdabc886845e770c9eacbc1e3e5","tags":["Patch"]},{"url":"https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-hls-demuxer-infinite-loop-via-self-referencing-playlist","tags":["Patch","Third Party Advisory"]}],"exploitRefs":[{"url":"https://gist.github.com/OxBat/59574a2940092cda1b6e76bbf96f53d0","tags":["Exploit","Mitigation","Third Party Advisory"]},{"url":"https://github.com/FFmpeg/FFmpeg","tags":["Product"]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n8.1.2/libavformat/hls.c#L866","tags":["Product"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/0e6eef35517a","tags":["Patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/a4ddaba8bb78","tags":["Patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/commit/c364ab176f722bdabc886845e770c9eacbc1e3e5","tags":["Patch"]}],"hasPoc":true,"ai":null}