CVE-2026-109950

Medium

Description

FreeRDP from 3.0.0 before 3.32.0 contains a heap out-of-bounds read vulnerability that allows a malicious RD Gateway to crash clients by sending mismatched message lengths. Attackers controlling the gateway can set MsgBytes far larger than the NDR string ActualCount in consent or service messages, causing UTF-8 conversion to read past the stream allocation and disrupt client availability.

SeverityMedium

CVSS4.3

Exploit probability—

ProductFreerdp

PublishedOct 13, 2026

First seenOct 13, 2026

Weakness typeCWE-125Out-of-bounds read

How to fix

Update

freerdp freerdp3.32.0 or later

Vendor advisories

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-xf45-j844-588v

Affected products

Product	Affected versions	Fixed in
freerdp freerdp	3.0.0 ≤ v < 3.32.0	3.32.0

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