{"action":"Upgrade libvirt to 12.7.0-1 or later.","affected":[{"fixed":"12.7.0-1","introduced":"0"}],"component":"libvirt","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["12.7.0-1"],"id":"tcs_01M5NVDW22D20S9F1ZQEXYPZF6","modified_at":"2026-10-01T03:03:42.035609918Z","published_at":"2026-09-11T11:16:54.677Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-77159","https://security-tracker.debian.org/tracker/CVE-2026-77159"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-77159#Debian:14/libvirt","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-77159"}],"summary":"A symlink-following flaw was found in libvirt's qemuTPMEmulatorPrepareHost() function. The function uses a path-based chown() on the swtpm logfile without checking for symbolic links. A local attacker"}