{"action":"Upgrade unbound to 1.26.2-1 or later.","affected":[{"fixed":"1.26.2-1","introduced":"0"}],"component":"unbound","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.26.2-1"],"id":"tcs_01M5NPV5950WCC75VS6FYAJPTD","modified_at":"2026-10-24T05:00:39.029611326Z","published_at":"2026-10-21T09:17:06.417Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-109125","https://security-tracker.debian.org/tracker/CVE-2026-109125"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-109125#Debian:14/unbound","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-109125"}],"summary":"In NLnet Labs Unbound up to and including version 1.26.1, an observable cache-level side-channel can be exposed with 'unwanted-reply-threshold > 0' configurations (not a default configuration). If a r"}