{"id":"CVE-2026-110599","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-110599","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.","published":"2026-10-14T14:16:41.692Z","modified":"2026-10-15T02:47:36.309610037Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110599.json"},{"type":"PACKAGE","url":"https://github.com/l-smash/l-smash"},{"type":"ARTICLE","url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L1356-L1378"},{"type":"ARTICLE","url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L697-L715"},{"type":"EVIDENCE","url":"https://hackmd.io/@haind-pwn/cve-2016-20099-2026-110599-l-smash-hevc-importer-double-free"},{"type":"ADVISORY","url":"https://hackmd.io/@haind-pwn/l-smash-hevc-importer-double-free"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110599"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/l-smash-through-2.14.5-double-free-in-hevc-and-h-264-importer-probe"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-15T02:47:36.309610037Z"}}