UBUNTU-CVE-2026-40199

Net::CIDR::Lite versions before 0.23 for Perl mishandles IPv4 mapped IPv6 addresses, which may allow IP ACL bypass. packipv6 includes the sentinel byte from packipv4 when building the packed representation of IPv4 mapped addresses like ::ffff:192.168.1.1. This produces an 18 byte value instead of...

p5-Crypt-CBC -- Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Lib-Crypt-CBC project reports: Crypt::CBC versions between 1.21 and 3.05 for Perl may use the rand function as the default source of entropy, which is not cryptographically secure, for cryptographic functions. This issue affects operating systems where "/dev/urandom'" is unavailable. In that case...