{"id":"CVE-2021-46143","revision":"2935a3bf1080422d99b13bf53a0d527d","records":[{"revision":"2935a3bf1080422d99b13bf53a0d527d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-46143","aliases":[],"title":"In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.","description":"In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.","state":0,"publishedAt":"2022-01-06T03:48:26+00:00","modifiedAt":"2026-10-14T12:07:44.909+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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N","score":8.1,"severity":"HIGH"}],"references":["https://github.com/libexpat/libexpat/issues/532","https://github.com/libexpat/libexpat/pull/538","http://www.openwall.com/lists/oss-security/2022/01/17/3","https://security.netapp.com/advisory/ntap-20220121-0006/","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-2021-46143","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-46143","identifiers":["CVE-2021-46143"]},"retained":false,"historicalAffected":[]}],"coverage":[]}