{ "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" } } } }