{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"liburi-perl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NQY2CSP4D8A4A3M63FET93","modified_at":"2026-10-01T03:02:57.281517729Z","published_at":"2026-08-31T18:17:14.320Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-19953","https://security-tracker.debian.org/tracker/CVE-2026-19953"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-19953","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-19953"}],"summary":"URI versions before 5.36 for Perl encode non-NFC host names to non-standard punycode labels via missing normalization in nameprep. nameprep lowercases each host label but performs no Unicode normaliza"}