{"id":"CVE-2016-20099","title":"L-SMASH through 2.14.5 contains an infinite loop vulnerability in vc1_importer_probe() in importer/vc1_imp.c that allows attackers to hang applications via crafted input files","summary":"L-SMASH through 2.14.5 contains an infinite loop vulnerability in vc1_importer_probe() in importer/vc1_imp.c that allows attackers to hang applications via crafted input files. Attackers can supply a file consisting only of zero bytes, w…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwe":["CWE-835"],"vendor":"l-smash","product":"l-smash","affected":["l-smash <= 2.14.5"],"published":"2026-10-14","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:18:44.867","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2016-20099","references":[{"url":"https://github.com/l-smash/l-smash/blob/v2.14.5/importer/vc1_imp.c#L462-L488","label":"disclosure@vulncheck.com"},{"url":"https://github.com/l-smash/l-smash/pull/58","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-infinite-loop-in-vc-1-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"],"epss":0.00237,"epssPercentile":0.14657,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T17:44:23.771001Z"},"ingestedAt":"2026-10-14T15:36:13.992Z","slug":"CVE-2016-20099","body":"## Overview\n\nL-SMASH through 2.14.5 contains an infinite loop vulnerability in vc1_importer_probe() in importer/vc1_imp.c that allows attackers to hang applications via crafted input files. Attackers can supply a file consisting only of zero bytes, which lsmash_read_file() probes automatically, causing indefinite CPU consumption and denial of service.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":221442,"id":"CVE-2016-20099","ts":1792031242810,"field":"exploit_available","old":"false","new":"true"}]}