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Alerts This Week
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Fedora 43 perl-Net-CIDR-Lite Important Input Validation Flaws Detected

fedora
Calendar Grey May 19, 2026
Dist Fedora Esm H88
Input validation fixes for perl-Net-CIDR-Lite in Fedora 43 addressing Unicode and CIDR mask issues.
This update addresses some input validation issues: Reject Unicode digits and trailing newlines in parser inputs (CVE-2026-45190) Reject zero-padded CIDR masks (CVE-2026-45191)

Summary

Faster alternative to Net::CIDR when merging a large number of CIDR address

ranges. Works for IPv4 and IPv6 addresses.

Update Information:

This update addresses some input validation issues: Reject Unicode digits and trailing newlines in parser inputs (CVE-2026-45190) Reject zero-padded CIDR masks (CVE-2026-45191)

Topics%20covered

Topics Covered

security advisory fedora important input validation parsing issues cidr

Change Log

* Mon May 11 2026 Paul Howarth - 0.24-1 - Update to 0.24 - Reject Unicode digits and trailing newlines in parser inputs (CVE-2026-45190) - Reject zero-padded CIDR masks (CVE-2026-45191)

References

Fedora Update Notification FEDORA-2026-9e783d6aa1 2026-05-19 16:00:44.522643+00:00 Name : perl-Net-CIDR-Lite Product : Fedora 43 Version : 0.24 Release : 1.fc43 URL : https://metacpan.org/release/Net-CIDR-Lite Summary : Perl extension for merging IPv4 or IPv6 CIDR addresses Description : Faster alternative to Net::CIDR when merging a large number of CIDR address ranges. Works for IPv4 and IPv6 addresses.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-9e783d6aa1' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
High
Critical

Name: perl-Net-CIDR-Lite
Product: Fedora 43
Version: 0.24
Release: 1.fc43
URL: https://metacpan.org/release/Net-CIDR-Lite
Summary: Perl extension for merging IPv4 or IPv6 CIDR addresses

Topics%20covered

Topics Covered

security advisory fedora important input validation parsing issues cidr

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