{"id":"AZL-11316","summary":"CVE-2022-43680 affecting package expat for versions less than 2.5.0-1","details":"In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.","modified":"2026-04-01T05:06:54.438643Z","published":"2022-10-24T14:15:53Z","upstream":["CVE-2022-43680"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-43680"}],"affected":[{"package":{"name":"expat","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/expat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-11316.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}