{"id":"CVE-2026-110599","title":"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","summary":"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 Ann…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H","cwe":["CWE-415"],"vendor":"l-smash","product":"l-smash","affected":["l-smash <= 2.14.5"],"published":"2026-10-14","updated":"2026-10-15","sourceUpdated":"2026-10-15T14:47:05.720","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-110599","references":[{"url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L1356-L1378","label":"disclosure@vulncheck.com"},{"url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/nalu_imp.c#L697-L715","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/l-smash-hevc-importer-double-free","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/l-smash-through-2.14.5-double-free-in-hevc-and-h-264-importer-probe","label":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/cve-2016-20099-2026-110599-l-smash-hevc-importer-double-free","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T16:16:03.285205Z"},"ingestedAt":"2026-10-14T15:36:14.001Z","epss":0.00243,"epssPercentile":0.15443,"slug":"CVE-2026-110599","body":"## Overview\n\nL-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":221372,"id":"CVE-2026-110599","ts":1792031160314,"field":"exploit_available","old":"false","new":"true"}]}