{"id":"CVE-2026-110599","published":"2026-10-14T15:17:11.247","lastModified":"2026-10-15T14:47:05.720","description":"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.","cvssScore":7.1,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","cwes":["CWE-415"],"vendors":[],"products":[],"references":[{"url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L1356-L1378","tags":[]},{"url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L697-L715","tags":[]},{"url":"https://hackmd.io/@haind-pwn/l-smash-hevc-importer-double-free","tags":[]},{"url":"https://www.vulncheck.com/advisories/l-smash-through-2.14.5-double-free-in-hevc-and-h-264-importer-probe","tags":[]},{"url":"https://hackmd.io/@haind-pwn/cve-2016-20099-2026-110599-l-smash-hevc-importer-double-free","tags":[]}],"exploitRefs":[{"url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L1356-L1378","tags":[]},{"url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L697-L715","tags":[]}],"hasPoc":true,"ai":null}