{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107695","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-08T16:51:39.543Z","datePublished":"2026-10-08T17:30:26.951Z","dateUpdated":"2026-10-08T17:30:26.951Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-08T17:30:26.951Z"},"datePublic":"2026-06-27T00:00:00.000Z","title":"FFmpeg before 8.1.3 HLS Demuxer Infinite Loop via Self-Referencing Playlist","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Loop with Unreachable Exit Condition ('Infinite Loop')","cweId":"CWE-835","type":"CWE"}]}],"affected":[{"vendor":"FFmpeg","product":"FFmpeg","defaultStatus":"unaffected","repo":"https://code.ffmpeg.org/FFmpeg/FFmpeg","packageURL":"pkg:github/ffmpeg/ffmpeg","versions":[{"version":"0","lessThan":"8.1.3","status":"affected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*","versionEndExcluding":"8.1.3"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/FFmpeg/FFmpeg/commit/c364ab176f722bdabc886845e770c9eacbc1e3e5","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/0e6eef35517a","tags":["patch"],"name":"Backport to release/9.0"},{"url":"https://github.com/FFmpeg/FFmpeg/commit/a4ddaba8bb78","tags":["patch"],"name":"Backport to release/8.1"},{"url":"https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23618","tags":["patch"]},{"url":"https://github.com/FFmpeg/FFmpeg/blob/n8.1.2/libavformat/hls.c#L866","tags":["technical-description"]},{"url":"https://gist.github.com/OxBat/59574a2940092cda1b6e76bbf96f53d0","tags":["exploit"]},{"url":"https://github.com/FFmpeg/FFmpeg","tags":["product"]},{"name":"VulnCheck Advisory: FFmpeg before 8.1.3 HLS Demuxer Infinite Loop via Self-Referencing Playlist","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/ffmpeg-before-8.1.3-hls-demuxer-infinite-loop-via-self-referencing-playlist"}],"credits":[{"lang":"en","value":"BapToutatis","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}