{"action":"Upgrade knot to 3.5.4-1 or later.","affected":[{"fixed":"3.5.4-1","introduced":"0"}],"component":"knot","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.5.4-1"],"id":"tcs_01M5NRW4DR60ZJCVETM05RG3T8","modified_at":"2026-10-01T03:03:11.206434440Z","published_at":"2026-07-23T21:17:04.210Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-39155","https://security-tracker.debian.org/tracker/CVE-2026-39155"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-39155#Debian:14/knot","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-39155"}],"summary":"Knot DNS before 3.4.10 and 3.5.x before 3.5.4 contains a vulnerability in mod-onlinesign where the next NSEC owner name can be computed incorrectly. This can create an overly broad authenticated denia"}