{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"uclibc","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NG1G0EASPT6BG96GBPR1N1","modified_at":"2026-10-23T18:04:16.827266806Z","published_at":"2021-11-10T15:15:12.213Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-43523","https://security-tracker.debian.org/tracker/CVE-2021-43523"],"severity":{"label":"critical","score":9.6},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-43523","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-43523"}],"summary":"In uClibc and uClibc-ng before 1.0.39, incorrect handling of special characters in domain names returned by DNS servers via gethostbyname, getaddrinfo, gethostbyaddr, and getnameinfo can lead to outpu"}