VULNERABILITY INTELLIGENCE

CVE-2026-45190

CVSS score6.5 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2026-05-10
Last modified2026-07-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Description

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. Inputs 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. Example: my $cidr = Net::CIDR::Lite->new(); $cidr->add("::1\n/128"); $cidr->find("::1a"); # incorrectly returns true See also CVE-2026-45191.

Weakness classification

  • 9b29abf9-4ab0-4765-b253-1875cd9b441e: CWE-1289

Primary references