CVE-2020-11523

freerdp: Integer overflow in region.c

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Severity

Important

Red Hat Product Security

6.6

CVSS 3.1

Review impact separately from score.

Published · April 9, 2020

Updated · November 22, 2025

Description

A flaw was found in FreeRDP in versions between 1.0 and 2.0.0. An integer overflow was found in the region.c function which could allow an attacker the ability to control the RDP server as well as the data sent to the client. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.6
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CWE-190 · Integer Overflow or Wraparound