{"id":"CVE-2023-52426","title":"libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.","summary":"libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-776"],"vendor":"libexpat_project","product":"libexpat","affected":["libexpat <= 2.5.0"],"published":"2024-02-04","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:17:13.283","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-52426","references":[{"url":"https://cwe.mitre.org/data/definitions/776.html","label":"cve@mitre.org"},{"url":"https://github.com/libexpat/libexpat/commit/0f075ec8ecb5e43f8fdca5182f8cca4703da0404","label":"cve@mitre.org"},{"url":"https://github.com/libexpat/libexpat/pull/777","label":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/","label":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/","label":"cve@mitre.org"},{"url":"https://security.netapp.com/advisory/ntap-20240307-0005/","label":"cve@mitre.org"},{"url":"https://cwe.mitre.org/data/definitions/776.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/libexpat/libexpat/commit/0f075ec8ecb5e43f8fdca5182f8cca4703da0404","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/libexpat/libexpat/pull/777","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20240307-0005/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-784301.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00373,"epssPercentile":0.29517,"ingestedAt":"2026-10-15T03:30:12.637Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-06-26T15:54:28.451554Z"},"slug":"CVE-2023-52426","body":"## Overview\n\nlibexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.\n\n## Affected\n\n- `libexpat <= 2.5.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}