{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"unbound","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NVVZENZ9YJ2M9S9FNQZVH4","modified_at":"2026-09-24T08:47:27.180283001Z","published_at":"2026-09-16T09:17:06.210Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-81634","https://security-tracker.debian.org/tracker/CVE-2026-81634"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-81634","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-81634"}],"summary":"In NLnet Labs Unbound up to and including 1.26.0, a 255 length query name with a large TCP response can lead to a heap buffer overflow during the RRSet canonicalisation routine. This is caused by miss"}