{"id":"CVE-2026-107695","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-107695","generatedAt":"2026-10-28T01:12:24.264Z","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.","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.","published":"2026-10-08T18:17:26.000Z","lastModified":"2026-10-14T23:54:54.000Z","status":"Analyzed","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-835"],"affected":["ffmpeg/ffmpeg"],"epss":{"score":0.00467,"percentile":0.40155,"date":"2026-10-26","history":[{"date":"2026-10-09","score":0.00446,"percentile":0.36836}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-08T18:17:26.000Z","detail":{"score":"7.1","severity":"HIGH","publishedAt":"2026-10-08T18:17:25.967Z"},"summary":"New CVE, high severity (CVSS 7.1)."}],"references":[{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23618","tags":["Issue Tracking","Patch"],"source":"disclosure@vulncheck.com"},{"url":"https://gist.github.com/OxBat/59574a2940092cda1b6e76bbf96f53d0","tags":["Exploit","Mitigation","Third Party Advisory"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg","tags":["Product"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n8.1.2/libavformat/hls.c#L866","tags":["Product"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/0e6eef35517a","tags":["Patch"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/a4ddaba8bb78","tags":["Patch"],"source":"disclosure@vulncheck.com"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/c364ab176f722bdabc886845e770c9eacbc1e3e5","tags":["Patch"],"source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-hls-demuxer-infinite-loop-via-self-referencing-playlist","tags":["Patch","Third Party Advisory"],"source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-107695","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}