{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "0.24"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f5a20ecc59bdf23c4104a55e7f01a8c7729b7fc5"
            },
            {
              "fixed": "ca9542adec87110556601d7ce48381ea8d13e692"
            }
          ],
          "repo": "https://github.com/stigtsp/net-cidr-lite",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "CPANSec",
    "cwe_ids": [
      "CWE-1289"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45190.json"
  },
  "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.",
  "id": "CVE-2026-45190",
  "modified": "2026-08-12T03:51:11.464206447Z",
  "published": "2026-05-10T20:15:24.721Z",
  "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"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "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"
}