{"id":"CLSA-2026-1790064092","summary":"expat: Fix of CVE-2026-66046","details":"- CVE-2026-66046: resolve quadratic runtime in storeAtts() by migrating the\n  per-attribute isCdata lookup from a linear scan of elementType-\u003edefaultAtts\n  to a hash table lookup in elementType-\u003edefaultAttsNames, and carry the index\n  of an attribute's first declaration through dtdCopy() so that parsers created\n  by XML_ExternalEntityParserCreate resolve attributes the same way","modified":"2026-10-26T09:31:44.162739457Z","published":"2026-09-22T08:01:44Z","upstream":["CVE-2026-66046"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/centos8.4els/CLSA-2026-1790064092.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66046"}],"affected":[{"package":{"name":"expat","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/expat?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1.el8.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1790064092.json"}},{"package":{"name":"expat-devel","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/expat-devel?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1.el8.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1790064092.json"}},{"package":{"name":"expat-static","ecosystem":"TuxCare:CentOS:8.4","purl":"pkg:rpm/tuxcare/expat-static?distro=centos-8.4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1.el8.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1790064092.json"}}],"schema_version":"1.9.0"}