{"action":"Upgrade c-ares to 1.17.1-1.1 or later.","affected":[{"fixed":"1.17.1-1.1","introduced":"0"}],"component":"c-ares","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.17.1-1.1"],"id":"tcs_01M5NFTRH7RBZGVDG8MDAPWV33","modified_at":"2026-10-23T18:03:29.681593637Z","published_at":"2021-11-23T19:15:07.877Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-3672","https://security-tracker.debian.org/tracker/CVE-2021-3672"],"severity":{"label":"medium","score":5.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-3672#Debian:14/c-ares","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-3672"}],"summary":"A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Dom"}