{"id":"CVE-2026-107695","title":"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","summary":"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 vict…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-835"],"vendor":"FFmpeg","product":"FFmpeg","affected":["FFmpeg < 8.1.3"],"published":"2026-10-08","updated":"2026-10-08","sourceUpdated":"2026-10-08T21:04:38.633","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-107695","references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23618","label":"disclosure@vulncheck.com"},{"url":"https://gist.github.com/OxBat/59574a2940092cda1b6e76bbf96f53d0","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n8.1.2/libavformat/hls.c#L866","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/0e6eef35517a","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/a4ddaba8bb78","label":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/c364ab176f722bdabc886845e770c9eacbc1e3e5","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-hls-demuxer-infinite-loop-via-self-referencing-playlist","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-08T17:56:11.736Z","slug":"CVE-2026-107695","body":"## Overview\n\nFFmpeg 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}