CVE-2026-33689 xrdp: Pre-authentication out-of-bounds reads in channel parsers

xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can trigger this flaw by sending a specially crafted sequence of packets during the initial connection phase...

CVE-2026-33689 xrdp: Pre-authentication out-of-bounds reads in channel parsers

xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can trigger this flaw by sending a specially crafted sequence of packets during the initial connection phase...

CVE-2026-33689

Summary of CVE-2026-33689 (xrdp): A pre-authentication out-of-bounds read vulnerability in the RDP channel parsers affects xrdp versions up to 0.10.5. An unauthenticated remote attacker can trigger the flaw by sending a crafted sequence of packets during the initial connection, due to insufficien...