xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() via incorrect g_strncat length calculation
xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in its logon processing. In environments where domain_user_separator is configured in xrdp.ini, an unauthenticated remote attacker can send a crafted, excessively long username and domain name to overflow the i…
Severity medium: primary CNA CVSS 6.3 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-04-17T19:58:08.687Z. Updated 2026-04-20T16:22:13.525Z.