{"id":"RLSA-2023:0337","summary":"Moderate: expat security update","details":"Expat is a C library for parsing XML documents.\n\nSecurity Fix(es):\n\n* expat: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate (CVE-2022-43680)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-03-11T06:19:33.294152Z","published":"2023-01-23T14:30:30Z","upstream":["CVE-2022-43680"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2023:0337"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2140059"}],"affected":[{"package":{"name":"expat","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/expat?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.4.9-1.el9_1.1"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:0337.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"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}