{"id":"CLSA-2025-1757522880","summary":"Fix CVE(s): CVE-2025-6021","details":"   * SECURITY UPDATE: stack-based buffer overflow vulnerability in xmlBuildQName\n     function\n     - debian/patches/CVE-2025-6021.patch: fix integer overflow in xmlBuildQName\n       causing memory safety issue\n     - CVE-2025-6021","modified":"2026-06-04T09:47:28.033243082Z","published":"2025-09-10T16:48:04Z","upstream":["CVE-2025-6021"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu20.04els/CLSA-2025-1757522880.html"}],"affected":[{"package":{"name":"libxml2","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libxml2?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2025-1757522880.json"}},{"package":{"name":"libxml2-dev","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libxml2-dev?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2025-1757522880.json"}},{"package":{"name":"libxml2-doc","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libxml2-doc?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2025-1757522880.json"}},{"package":{"name":"libxml2-utils","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/libxml2-utils?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2025-1757522880.json"}},{"package":{"name":"python-libxml2","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/python-libxml2?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2025-1757522880.json"}},{"package":{"name":"python3-libxml2","ecosystem":"TuxCare:Ubuntu:20.04","purl":"pkg:deb/tuxcare/python3-libxml2?distro=ubuntu-20.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.10+dfsg-5ubuntu0.20.04.10+tuxcare.els3"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu20.04els/CLSA-2025-1757522880.json"}}],"schema_version":"1.7.5"}