CVE-2026-33689

A flaw was found in xrdp, an open-source Remote Desktop Protocol RDP server. A remote, unauthenticated attacker can exploit an out-of-bounds read vulnerability by sending specially crafted packets during the initial connection. This issue stems from insufficient validation of input buffer lengths...

Design/Logic Flaw

xrdp 0.9.1 calls the PAM function authstartsession in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pamlimits.so bypass...