{"id":"CVE-2026-113351","revision":"144712bbc89a4084adc8c08462810e31","records":[{"revision":"144712bbc89a4084adc8c08462810e31","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-113351","aliases":[],"title":"libexpat 2.7.2 through 2.9.0 Denial of Service via XML_ParserReset","description":"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.","state":0,"publishedAt":"2026-10-20T10:41:37.468+00:00","modifiedAt":"2026-10-20T16:06:48.218+00:00","affected":[{"ecosystem":"Vendor product","name":"libexpat","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"libexpat\",\n                    \"product\": \"libexpat\",\n                    \"packageURL\": \"pkg:github/libexpat/libexpat\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"2.7.2\",\n                            \"lessThanOrEqual\": \"2.9.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/libexpat/libexpat\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.2,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9,"severity":"MEDIUM"}],"references":["https://github.com/libexpat/libexpat/pull/1431","https://github.com/libexpat/libexpat/blob/a76b1174c1ea52abb639a4c69d52b630a8a106a2/expat/lib/xmlparse.c#L860-L884","https://github.com/libexpat/libexpat/blob/a76b1174c1ea52abb639a4c69d52b630a8a106a2/expat/lib/xmlparse.c#L1560","https://github.com/libexpat/libexpat","https://www.vulncheck.com/advisories/libexpat-2.7.2-through-2.9.0-denial-of-service-via-xml-parserreset"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113351","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-113351","identifiers":["CVE-2026-113351"]},"retained":false,"historicalAffected":[]}],"coverage":[]}