{"id":"CVE-2021-3537","revision":"fdc19e51ebd0465ea1c75fd8455cd1fc","records":[{"revision":"fdc19e51ebd0465ea1c75fd8455cd1fc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-3537","aliases":[],"title":"A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the …","description":"A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.","state":0,"publishedAt":"2021-05-14T19:50:10+00:00","modifiedAt":"2026-10-14T09:49:44.455+00:00","affected":[{"ecosystem":"Vendor product","name":"libxml2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"libxml2\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"libxml2 2.9.11\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/","https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html","https://bugzilla.redhat.com/show_bug.cgi?id=1956522","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/","https://security.gentoo.org/glsa/202107-05","https://security.netapp.com/advisory/ntap-20210625-0002/","https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.oracle.com/security-alerts/cpuapr2022.html","https://www.oracle.com/security-alerts/cpujul2022.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-3537","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-3537","identifiers":["CVE-2021-3537"]},"retained":false,"historicalAffected":[]}],"coverage":[]}