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EUVD-2026-317329

fkie_cve-2026-45190

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

GHSA-5vf8-328m-mxj5

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.

Example:

my $cidr = Net::CIDR::Lite->new(); $cidr->add("::1\n/128"); $cidr->find("::1a"); # incorrectly returns true

openSUSE-SU-2026:10780-1 — perl-Net-CIDR-Lite-0.240.0-1.1 on GA media

perl-Net-CIDR-Lite-0.240.0-1.1 on GA media

UBUNTU-CVE-2026-45190

Affected: Ubuntu:Pro:16.04:LTS: libnet-cidr-lite-perl, Ubuntu:Pro:18.04:LTS: libnet-cidr-lite-perl, Ubuntu:Pro:20.04:LTS: libnet-cidr-lite-perl, Ubuntu:22.04:LTS: libnet-cidr-lite-perl, Ubuntu:24.04:LTS: libnet-cidr-lite-perl, Ubuntu:25.10: libnet-cidr-lite-perl, Ubuntu:26.04:LTS: libnet-cidr-lite-perl

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.