{"id":"CLSA-2025-1757015069","summary":"Fix CVE(s): CVE-2025-6021","details":"   * SECURITY UPDATE: stack-based buffer overflow via integer overflows in buffer\n     size calculations in xmlBuildQName function\n     - debian/patches/CVE-2025-6021.patch: Fix integer overflow in xmlBuildQName\n       that affects memory safety\n     - CVE-2025-6021","modified":"2026-06-04T09:46:59.975302330Z","published":"2025-09-04T19:44:33Z","upstream":["CVE-2025-6021"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2025-1757015069.html"}],"affected":[{"package":{"name":"libxml2","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libxml2?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1757015069.json"}},{"package":{"name":"libxml2-dev","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libxml2-dev?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1757015069.json"}},{"package":{"name":"libxml2-doc","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libxml2-doc?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1757015069.json"}},{"package":{"name":"libxml2-utils","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/libxml2-utils?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1757015069.json"}},{"package":{"name":"python-libxml2","ecosystem":"TuxCare:Ubuntu:16.04","purl":"pkg:deb/tuxcare/python-libxml2?distro=ubuntu-16.04"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.3+dfsg1-1ubuntu0.7+tuxcare.els11"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1757015069.json"}}],"schema_version":"1.7.5"}