CVE-2018-20177: Debian Linux

Critical severity, CVSS 9.8. EPSS: 7.9% chance of exploitation in the next 30 days.

rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Opensuse Backports: version sle-15 only
• Opensuse Leap: version 15.1 only
• Rdesktop Rdesktop: up to and including 1.8.3

Published 2019-03-15. Last modified 2026-06-17.