perl-Net-CIDR-Set-0.230.0-1.1 on GA media (moderate)

perl-Net-CIDR-Set-0.230.0-1.1 on GA media Announcement ID: openSUSE-SU-2026:11550-1 Rating: moderate Cross-References: CVE-2026-19566 Affected Products: openSUSE Tumbleweed An update that solves one vulnerability can now be installed. Description: These are all security issues fixed in the...

DEBIAN-CVE-2026-19566

Net::CIDR::Set versions before 0.23 for Perl allow memory exhaustion and malformed set ranges via unbounded IPv6 prefix lengths. The encode method accepts any prefix length matching 0|1-90-9 and passes it to width2bits, which builds the mask as '1' x $width + 8, one character per bit. The inc...

CVE-2026-19566

CVE-2026-19566 affects Net::CIDR::Set before v0.23. The vulnerability stems from the encode/width handling of IPv6 prefix lengths, where an unbounded prefix length (including values >128) causes large memory allocations during contains() or add() due to the code creating a mask and unpacking i...