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CVE-2020-11043

freerdp: out of bound read in rfx_process_message_tileset

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Severity

Low

Red Hat Product Security

2.7

CVSS 3.1

Review impact separately from score.

Published · April 9, 2020

Updated · February 24, 2026

Description

In FreeRDP less than or equal to 2.0.0, there is an out-of-bounds read in rfx_process_message_tileset. Invalid data fed to RFX decoder results in garbage on screen (as colors). This has been patched in 2.1.0.

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

To mitigate this flaw, do not use /rfx, /gfx or /network:auto command line options in the freerdp client.

CVSS / CWE

CVSS 3.1 · 2.7
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L

CWE-125 · Out-of-bounds Read