{"id":"CLSA-2026-1789467963","summary":"libxml2: Fix of CVE-2026-86138","details":"- CVE-2026-86138: fix integer overflow in xmlDictAddQString pool size\n  calculation that could lead to a heap buffer overflow, and cap the QName\n  lengths accepted by xmlDictQLookup so the guard cannot be skipped","modified":"2026-10-26T09:31:35.716386386Z","published":"2026-09-15T10:26:13Z","upstream":["CVE-2026-86138"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1789467963.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86138"}],"affected":[{"package":{"name":"libxml2","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/libxml2?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.13-12.el9_6.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789467963.json"}},{"package":{"name":"libxml2-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/libxml2-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.13-12.el9_6.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789467963.json"}},{"package":{"name":"libxml2-static","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/libxml2-static?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.13-12.el9_6.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789467963.json"}},{"package":{"name":"python3-libxml2","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/python3-libxml2?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.13-12.el9_6.tuxcare.els8"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1789467963.json"}}],"schema_version":"1.9.0"}