CVE-2026-44040

UltraVNC through 1.8.2.2 uses a cryptographically weak pseudo-random number generator to produce VNC authentication challenge bytes. In rfb/vncauth.c:119-129, the vncRandomBytes function seeds libc rand with time0 + getpid + rand and generates a 16-byte challenge. The combined seed space is...

CVE-2026-3256

The CVE-2026-3256 issue affects the HTTP::Session Perl module (versions through 0.53). The root cause is insecure session ID generation: HTTP::Session::ID::SHA1 creates IDs by hashing a seed composed of the built-in rand() value, high-resolution epoch time, and the process ID. The PID comes from ...