{"id":"CLSA-2026-1779183482","summary":"Fix CVE(s): CVE-2026-45186","details":"   * SECURITY UPDATE: denial of service via O(n^2) attribute name collision\n     check with moderately sized crafted XML input\n     - debian/patches/CVE-2026-45186.patch: replace linear scan in\n       defineAttribute() with O(1) hash table lookup using new\n       ELEMENT_TYPE.defaultAttsNames field in expat/lib/xmlparse.c\n     - CVE-2026-45186","modified":"2026-06-04T09:47:38.288909794Z","published":"2026-05-19T09:38:08Z","upstream":["CVE-2026-45186"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2026-1779183482.html"}],"affected":[{"package":{"name":"expat","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/expat?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-1ubuntu0.8+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1779183482.json"}},{"package":{"name":"libexpat1","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libexpat1?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-1ubuntu0.8+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1779183482.json"}},{"package":{"name":"libexpat1-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libexpat1-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-1ubuntu0.8+tuxcare.els4"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2026-1779183482.json"}}],"schema_version":"1.7.5"}