{"schema":"threatline.record/2","record":{"id":"CVE-2026-110599","aliases":[],"summary":"L-SMASH through 2.14.5 Double Free in HEVC and H.264 Importer Probe","details":"L-SMASH through 2.14.5 contains a double free vulnerability in hevc_setup_first_summary() and h264_setup_first_summary() in importer/nalu_imp.c that frees borrowed codec-specific objects on error paths. Attackers can supply a crafted Annex-B elementary stream lacking a parseable SPS to lsmash_read_file() or the boxdumper, remuxer, or muxer tools, causing use-after-free, heap corruption, and crashes.","categories":["Unclassified"],"product":"l-smash","vendor":"l-smash","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110599","source_modified_at":"2026-10-14T16:16:31.026Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"l-smash","vendor":"l-smash","versions":[{"version":"0","lessThanOrEqual":"2.14.5","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00243,"percentile":0.14669,"score_date":"2026-10-23"},"published_at":"2026-10-14T14:16:41.692Z","modified_at":"2026-10-14T16:16:31.026Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110599","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T16:16:31.026Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110599","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haind-pwn/l-smash-hevc-importer-double-free","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L1356-L1378","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L697-L715","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/l-smash-through-2.14.5-double-free-in-hevc-and-h-264-importer-probe","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://hackmd.io/@haind-pwn/cve-2016-20099-2026-110599-l-smash-hevc-importer-double-free","tags":["exploit"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-14T16:16:03.285205Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T16:16:31.026Z","content_hash":"008ef11d362e98f7781836597125085762702a2aa6c476636de8ea0d18d2d242"}}