{"id":"ALSA-2026:74001","summary":"Important: expat security update","details":"Expat is a C library for parsing XML documents.  \n\nSecurity Fix(es):  \n\n  * expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)\n  * expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)\n\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.\n","modified":"2026-10-01T15:15:02.753658690Z","published":"2026-09-30T00:00:00Z","related":["CVE-2026-66046","CVE-2026-93990"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74001"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-66046"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-93990"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2517901"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2538967"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-74001.html"}],"affected":[{"package":{"name":"expat","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/expat"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.3-1.el10_2.5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:74001.json"}},{"package":{"name":"expat-devel","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/expat-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.3-1.el10_2.5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:74001.json"}}],"schema_version":"1.9.0"}