{"action":"Upgrade bind9 to 1:9.20.29-1~deb13u1 or later.","affected":[{"fixed":"1:9.20.29-1~deb13u1","introduced":"0"}],"component":"bind9","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["1:9.20.29-1~deb13u1"],"id":"tcs_01M5NVDVMXZKA7R3K8K22KX6GZ","modified_at":"2026-10-27T10:01:14.932907522Z","published_at":"2026-09-16T15:17:46.427Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-77119","https://security-tracker.debian.org/tracker/CVE-2026-77119"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-77119#Debian:13/bind9","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-77119"}],"summary":"A validly signed NSEC3 from an unrelated sibling zone may be accepted as an insecurity proof, downgrading a secure delegation and letting a forged unsigned answer through. This issue affects BIND 9 ve"}