CVE-2026-109947

Medium

Description

FreeRDP from 3.20.1 before 3.32.0 contains an uncontrolled resource allocation vulnerability that allows malicious RDP servers to exhaust client memory via oversized drive redirection read requests. Attackers can send IRP_MJ_READ with Length 0xffffffff, causing roughly 4 GiB of zeroed allocation on 64-bit builds or an under-reserved buffer on 32-bit builds.

SeverityMedium

CVSS6.5

Exploit probability—

ProductFreerdp

PublishedOct 13, 2026

First seenOct 13, 2026

Weakness typeCWE-770Allocation of resources without limits

How to fix

Update

freerdp freerdp3.32.0 or later

Vendor advisories

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-q56j-jjh6-38jf

Affected products

Product	Affected versions	Fixed in
freerdp freerdp	3.20.1 ≤ v < 3.32.0	3.32.0

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