Critical (9.8). EPSS 8.2% chance of exploitation in the next 30 days.
rdesktop versions up to and including v1.8.3 contain a Buffer Overflow over the global variables in the function seamless_process_line() that results in memory corruption and probably even a remote code execution.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
8.2% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)