{"action":"Upgrade bind9 to 1:9.20.23-1 or later.","affected":[{"fixed":"1:9.20.23-1","introduced":"0"}],"component":"bind9","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:9.20.23-1"],"id":"tcs_01M5NT5HF8H0MMVTKZJ05E23NF","modified_at":"2026-10-01T03:03:28.275873261Z","published_at":"2026-05-20T13:16:40.303Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-5947","https://security-tracker.debian.org/tracker/CVE-2026-5947"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-5947#Debian:14/bind9","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-5947"}],"summary":"Undefined behavior may result due to a race condition leading to a use-after-free violation. If BIND receives an incoming DNS message signed with SIG(0), it begins work to validate that signature. If,"}