{"id":"CVE-2022-43680","revision":"93c58775015242e09df9391a03644661","records":[{"revision":"93c58775015242e09df9391a03644661","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-43680","aliases":[],"title":"In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.","description":"In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.","state":0,"publishedAt":"2022-10-24T00:00:00+00:00","modifiedAt":"2026-10-14T18:26:49.62+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"version\": \"n/a\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://github.com/libexpat/libexpat/pull/650","https://github.com/libexpat/libexpat/issues/649","https://github.com/libexpat/libexpat/pull/616","https://lists.debian.org/debian-lts-announce/2022/10/msg00033.html","https://www.debian.org/security/2022/dsa-5266","https://security.gentoo.org/glsa/202210-38","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5XOOB7CD55CEE6OJYKSACSIMQ4RWQ6/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DPQVIF6TOJNY2T3ZZETFKR4G34FFREBQ/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FFCOMBSOJKLIKCGCJWHLJXO4EVYBG7AR/","https://security.netapp.com/advisory/ntap-20221118-0007/","http://www.openwall.com/lists/oss-security/2023/12/28/5","http://www.openwall.com/lists/oss-security/2024/01/03/5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-43680","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-43680","identifiers":["CVE-2022-43680"]},"retained":false,"historicalAffected":[]}],"coverage":[]}