{"action":"Upgrade bind9 to 1:9.19.21-1 or later.","affected":[{"fixed":"1:9.19.21-1","introduced":"0"}],"component":"bind9","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1:9.19.21-1"],"id":"tcs_01M5NJA7S6H1PCRCKYPQHF8HGK","modified_at":"2026-10-26T18:01:43.284197207Z","published_at":"2024-02-13T14:15:45.253Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-4408","https://security-tracker.debian.org/tracker/CVE-2023-4408"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-4408#Debian:14/bind9","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-4408"}],"summary":"The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS traffic, but crafted queries and responses may caus"}