{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2016-20099", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-14T13:07:15.161Z", "datePublished": "2026-10-14T14:16:26.855Z", "dateUpdated": "2026-10-14T17:44:42.067Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-14T14:16:26.855Z" }, "datePublic": "2016-01-30T00:00:00.000Z", "title": "L-SMASH through 2.14.5 Infinite Loop in VC-1 Importer Probe", "descriptions": [ { "lang": "en", "value": "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, which lsmash_read_file() probes automatically, causing indefinite CPU consumption and denial of service." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Loop with Unreachable Exit Condition ('Infinite Loop')", "cweId": "CWE-835", "type": "CWE" } ] } ], "affected": [ { "vendor": "l-smash", "product": "l-smash", "defaultStatus": "unaffected", "versions": [ { "version": "0", "lessThanOrEqual": "2.14.5", "status": "affected", "versionType": "semver" } ], "packageURL": "pkg:github/l-smash/l-smash", "collectionURL": "https://github.com", "repo": "https://github.com/l-smash/l-smash" } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" } } ], "references": [ { "url": "https://github.com/l-smash/l-smash/pull/58", "tags": [ "patch", "issue-tracking" ] }, { "url": "https://github.com/l-smash/l-smash/blob/v2.14.5/importer/vc1_imp.c#L462-L488", "tags": [ "technical-description" ] }, { "url": "https://hackmd.io/@haind-pwn/l-smash-hevc-importer-double-free", "tags": [ "third-party-advisory" ] }, { "name": "VulnCheck Advisory: L-SMASH through 2.14.5 Infinite Loop in VC-1 Importer Probe", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/l-smash-through-2.14.5-infinite-loop-in-vc-1-importer-probe" } ], "credits": [ { "lang": "en", "value": "canbal", "type": "finder" }, { "lang": "en", "value": "HaiND from the Post and Telecommunication Institute of Technology", "type": "finder" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "references": [ { "url": "https://hackmd.io/@haind-pwn/cve-2016-20099-2026-110599-l-smash-hevc-importer-double-free", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-14T17:44:23.771001Z", "id": "CVE-2016-20099", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-14T17:44:42.067Z" } } ] } }