{"id":"SUSE-SU-2026:4004-1","summary":"Security update for libvirt","details":"This update for libvirt fixes the following issues:\n\n- CVE-2026-18917: Integer overflow in NodeGetFreePages RPC handler leading to heap buffer overflow (bsc#1275863).\n- CVE-2026-61477: newline injection in network XML DNS TXT/SRV fields allows dnsmasq config directive injection\n  (bsc#1274576).\n- CVE-2026-63622: `swtpm` privilege escalation via symlink following (bsc#1275264).\n- CVE-2026-63623: information disclosure via world-readable storage volume images during clone/convert (bsc#1275265).\n- CVE-2026-77159: root `chown()` on `swtpm` logfile follows symlinks (bsc#1274946).\n","modified":"2026-09-13T18:23:27.946865818Z","published":"2026-09-07T07:30:37Z","related":["CVE-2026-18917","CVE-2026-61477","CVE-2026-63622","CVE-2026-63623","CVE-2026-77159"],"upstream":["CVE-2026-18917","CVE-2026-61477","CVE-2026-63622","CVE-2026-63623","CVE-2026-77159"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20264004-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1274576"},{"type":"REPORT","url":"https://bugzilla.suse.com/1274946"},{"type":"REPORT","url":"https://bugzilla.suse.com/1275264"},{"type":"REPORT","url":"https://bugzilla.suse.com/1275265"},{"type":"REPORT","url":"https://bugzilla.suse.com/1275863"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-18917"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-61477"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-63622"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-63623"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-77159"}],"affected":[{"package":{"name":"libvirt","ecosystem":"SUSE:Linux 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