{"id":"CLSA-2026-1789658144","summary":"libxml2: Fix of CVE-2026-86138","details":"- CVE-2026-86138: add overflow checks to xmlDictAddQString pool size calculation\n  and reject over-long QNames in xmlDictQLookup to prevent heap buffer overflow\n  when interning long QNames","modified":"2026-10-26T09:31:58.928465349Z","published":"2026-09-21T11:16:31Z","upstream":["CVE-2026-86138"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/rhel7els/CLSA-2026-1789658144.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86138"}],"affected":[{"package":{"name":"libxml2","ecosystem":"TuxCare:RHEL:7","purl":"pkg:rpm/tuxcare/libxml2?distro=rhel-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1-6.0.11.el7_9.6.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1789658144.json"}},{"package":{"name":"libxml2-devel","ecosystem":"TuxCare:RHEL:7","purl":"pkg:rpm/tuxcare/libxml2-devel?distro=rhel-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1-6.0.11.el7_9.6.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1789658144.json"}},{"package":{"name":"libxml2-python","ecosystem":"TuxCare:RHEL:7","purl":"pkg:rpm/tuxcare/libxml2-python?distro=rhel-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1-6.0.11.el7_9.6.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1789658144.json"}},{"package":{"name":"libxml2-static","ecosystem":"TuxCare:RHEL:7","purl":"pkg:rpm/tuxcare/libxml2-static?distro=rhel-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.1-6.0.11.el7_9.6.tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1789658144.json"}}],"schema_version":"1.9.0"}