{"action":"Upgrade libnet-idn-encode-perl to 2.600-1 or later.","affected":[{"fixed":"2.600-1","introduced":"0"}],"component":"libnet-idn-encode-perl","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.600-1"],"id":"tcs_01M5NW1QCRBNFDEF83G4YW1XHK","modified_at":"2026-11-03T04:00:11.274275026Z","published_at":"2026-09-22T08:16:40.530Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-87078","https://security-tracker.debian.org/tracker/CVE-2026-87078"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-87078#Debian:14/libnet-idn-encode-perl","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-87078"}],"summary":"Net::IDN::Punycode versions from 2.302 before 2.590 for Perl leak the output buffer on every rejected label in decode_punycode. The XS backend allocates the scalar it returns before it validates the i"}