{"id":"CVE-2021-45960","revision":"1386385dba8541e398a359c201672967","records":[{"revision":"1386385dba8541e398a359c201672967","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-45960","aliases":[],"title":"In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).","description":"In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).","state":0,"publishedAt":"2022-01-01T18:47:46+00:00","modifiedAt":"2026-10-14T12:03:11.369+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"n/a\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"n/a\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://github.com/libexpat/libexpat/issues/531","https://github.com/libexpat/libexpat/pull/534","https://bugzilla.mozilla.org/show_bug.cgi?id=1217609","http://www.openwall.com/lists/oss-security/2022/01/17/3","https://security.netapp.com/advisory/ntap-20220121-0004/","https://www.tenable.com/security/tns-2022-05","https://www.debian.org/security/2022/dsa-5073","https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf","https://security.gentoo.org/glsa/202209-24"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-45960","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-45960","identifiers":["CVE-2021-45960"]},"retained":false,"historicalAffected":[]}],"coverage":[]}