{ "containers": { "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-09-29T16:07:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/libexpat/libexpat/issues/532" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/libexpat/libexpat/pull/538" }, { "name": "[oss-security] 20220117 Expat 2.4.3 released, includes 8 security fixes", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "http://www.openwall.com/lists/oss-security/2022/01/17/3" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security.netapp.com/advisory/ntap-20220121-0006/" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://www.tenable.com/security/tns-2022-05" }, { "name": "DSA-5073", "tags": [ "vendor-advisory", "x_refsource_DEBIAN" ], "url": "https://www.debian.org/security/2022/dsa-5073" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf" }, { "name": "GLSA-202209-24", "tags": [ "vendor-advisory", "x_refsource_GENTOO" ], "url": "https://security.gentoo.org/glsa/202209-24" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-46143", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize." } ] }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:N/S:U/UI:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/libexpat/libexpat/issues/532", "refsource": "MISC", "url": "https://github.com/libexpat/libexpat/issues/532" }, { "name": "https://github.com/libexpat/libexpat/pull/538", "refsource": "MISC", "url": "https://github.com/libexpat/libexpat/pull/538" }, { "name": "[oss-security] 20220117 Expat 2.4.3 released, includes 8 security fixes", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2022/01/17/3" }, { "name": "https://security.netapp.com/advisory/ntap-20220121-0006/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20220121-0006/" }, { "name": "https://www.tenable.com/security/tns-2022-05", "refsource": "CONFIRM", "url": "https://www.tenable.com/security/tns-2022-05" }, { "name": "DSA-5073", "refsource": "DEBIAN", "url": "https://www.debian.org/security/2022/dsa-5073" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf" }, { "name": "GLSA-202209-24", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/202209-24" } ] } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:02:11.585Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/libexpat/libexpat/issues/532" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/libexpat/libexpat/pull/538" }, { "name": "[oss-security] 20220117 Expat 2.4.3 released, includes 8 security fixes", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2022/01/17/3" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20220121-0006/" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://www.tenable.com/security/tns-2022-05" }, { "name": "DSA-5073", "tags": [ "vendor-advisory", "x_refsource_DEBIAN", "x_transferred" ], "url": "https://www.debian.org/security/2022/dsa-5073" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf" }, { "name": "GLSA-202209-24", "tags": [ "vendor-advisory", "x_refsource_GENTOO", "x_transferred" ], "url": "https://security.gentoo.org/glsa/202209-24" } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-190", "lang": "en", "description": "CWE-190 Integer Overflow or Wraparound" } ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2025-04-23T13:17:07.341792Z", "id": "CVE-2021-46143", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-05T16:44:58.649Z" } } ] }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-46143", "datePublished": "2022-01-06T03:48:26.000Z", "dateReserved": "2022-01-06T00:00:00.000Z", "dateUpdated": "2025-05-05T16:44:58.649Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }