======================================================================== CVE-2026-49940 CPAN Security Group ========================================================================
CVE ID: CVE-2026-49940 Distribution: Net-CIDR-Set Versions: through 0.20 MetaCPAN: https://metacpan.org/dist/Net-CIDR-Set VCS Repo: https://github.com/robrwo/perl-Net-CIDR-Set Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks Description ----------- Net::CIDR::Set versions through 0.20 for Perl accept non-ASCII IP addresses and netmasks. Unicode digits such as the Arabic-Indic One (U+0661) were accepted but not properly parsed as numbers. This could allow network masks to accept larger networks. Problem types ------------- - CWE-1289 Improper Validation of Unsafe Equivalence in Input Solutions --------- Upgrade to version 0.21. References ---------- https://metacpan.org/release/RRWO/Net-CIDR-Set-0.21/changes https://nvd.nist.gov/vuln/detail/CVE-2025-40911 Timeline -------- - 2026-05-13: Issue reported to CPANSec - 2026-06-02: Net::CIDR::Set version 0.21 released with fix
