{"id":"ALPINE-CVE-2026-45190","details":"Net::CIDR::Lite versions before 0.24 for Perl does not properly validate IP address and CIDR mask inputs, which may allow IP ACL bypass.\n\nInputs containing a trailing newline or non-ASCII digit characters pass the validators but are then re-encoded by the parser to a different address than the input string spelled. find() and bin_find() can match or miss addresses as a result.\n\nExample:\n\n  my $cidr = Net::CIDR::Lite-\u003enew();\n  $cidr-\u003eadd(\"::1\\n/128\");\n  $cidr-\u003efind(\"::1a\");  # incorrectly returns true\n\nSee also CVE-2026-45191.","modified":"2026-09-14T16:18:08.202890153Z","published":"2026-05-10T21:16:29.273Z","upstream":["CVE-2026-45190"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2026-45190"}],"affected":[{"package":{"name":"perl-net-cidr-lite","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/perl-net-cidr-lite?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.24-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-45190.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"}]}