{"id":"CLSA-2025-1757015164","summary":"Fix CVE(s): CVE-2025-6021","details":"   * SECURITY UPDATE: stack-based buffer overflow vulnerability\n     - debian/patches/CVE-2025-6021.patch: Fix integer overflow in xmlBuildQName\n       to improve memory safety\n     - CVE-2025-6021","modified":"2026-06-04T09:47:10.813051039Z","published":"2025-09-04T19:46:08Z","upstream":["CVE-2025-6021"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2025-1757015164.html"}],"affected":[{"package":{"name":"libxml2","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libxml2?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4+dfsg1-6.1ubuntu1.9+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2025-1757015164.json"}},{"package":{"name":"libxml2-dev","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libxml2-dev?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4+dfsg1-6.1ubuntu1.9+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2025-1757015164.json"}},{"package":{"name":"libxml2-doc","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libxml2-doc?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4+dfsg1-6.1ubuntu1.9+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2025-1757015164.json"}},{"package":{"name":"libxml2-utils","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/libxml2-utils?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4+dfsg1-6.1ubuntu1.9+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2025-1757015164.json"}},{"package":{"name":"python-libxml2","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/python-libxml2?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4+dfsg1-6.1ubuntu1.9+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2025-1757015164.json"}},{"package":{"name":"python3-libxml2","ecosystem":"TuxCare:Ubuntu:18.04","purl":"pkg:deb/tuxcare/python3-libxml2?distro=ubuntu-18.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.4+dfsg1-6.1ubuntu1.9+tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2025-1757015164.json"}}],"schema_version":"1.7.5"}