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CRITICAL

CVE-2018-20181

CVSS v3

9.8

CRITICAL

EPSS Score

8.2 %

exploit probability, as of 2026-10-05

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

Published
2019-03-15

Frequently asked questions

What is CVE-2018-20181?

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

Is CVE-2018-20181 actively exploited?

Active exploitation of CVE-2018-20181 has not been confirmed. Its EPSS score was 8.2% on 2026-10-05, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20181?

CVE-2018-20181 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2018-20181 affecting your environment?

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