{"id":"CVE-2026-45190","summary":"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","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":"2026-05-30T23:29:18.947078029Z","published":"2026-05-10T20:15:24.721Z","related":["SUSE-SU-2026:2113-1","openSUSE-SU-2026:10780-1"],"database_specific":{"cwe_ids":["CWE-1289"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45190.json","cna_assigner":"CPANSec"},"references":[{"type":"WEB","url":"https://cpan.org/modules"},{"type":"WEB","url":"https://www.cve.org/CVERecord?id=CVE-2026-45191"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45190.json"},{"type":"ADVISORY","url":"https://metacpan.org/release/STIGTSP/Net-CIDR-Lite-0.24/changes"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45190"},{"type":"FIX","url":"https://github.com/stigtsp/Net-CIDR-Lite/commit/ca9542adec87110556601d7ce48381ea8d13e692.patch"},{"type":"PACKAGE","url":"https://github.com/stigtsp/Net-CIDR-Lite"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/stigtsp/net-cidr-lite","events":[{"introduced":"0"},{"fixed":"f5a20ecc59bdf23c4104a55e7f01a8c7729b7fc5"}]}],"versions":["0.23","0.22","0.21"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-45190.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"}]}