{"schema":"threatline.record/2","record":{"id":"CVE-2026-113351","aliases":[],"summary":"libexpat 2.7.2 through 2.9.0 Denial of Service via XML_ParserReset","details":"libexpat 2.7.2 through 2.9.0 contains a denial of service vulnerability because XML_ParserReset zeroes the direct byte count but never offsets tracked heap allocations. Attackers can submit a large XML document so later documents on the same reset parser fail with XML_ERROR_NO_MEMORY until it is recreated.","categories":["Libraries & packages"],"product":"libexpat","vendor":"libexpat","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113351","source_modified_at":"2026-10-20T16:06:48.218Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"libexpat","vendor":"libexpat","versions":[{"version":"2.7.2","lessThanOrEqual":"2.9.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.2,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00474,"percentile":0.40039,"score_date":"2026-10-23"},"published_at":"2026-10-20T10:41:37.468Z","modified_at":"2026-10-20T16:06:48.218Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-113351","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T16:06:48.218Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-113351","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/libexpat/libexpat/pull/1431","tags":["patch","issue-tracking"]},{"source":"CVE List","url":"https://github.com/libexpat/libexpat/blob/a76b1174c1ea52abb639a4c69d52b630a8a106a2/expat/lib/xmlparse.c#L860-L884","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/libexpat/libexpat/blob/a76b1174c1ea52abb639a4c69d52b630a8a106a2/expat/lib/xmlparse.c#L1560","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/libexpat/libexpat","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/libexpat-2.7.2-through-2.9.0-denial-of-service-via-xml-parserreset","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T15:10:35.530839Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-20T16:06:48.218Z","content_hash":"8423c5323315f87fe4749b0c95dd2322ed9ddf542b4e21f35f7c9cf639cb64c2"}}
