CVE-2026-114042

Medium

Description

FreeRDP 3.32.0 contains a use-after-free vulnerability in the drdynvc channel that frees a pool-owned stream with the owned-stream deallocator when totalLength is smaller than the chunk size. A malicious RDP server can send a single well-formed Virtual Channel PDU to trigger the free and crash the client during teardown.

SeverityMedium

CVSS6.5

Exploit probability—

ProductFreeRDP

PublishedOct 21, 2026

First seenOct 21, 2026

Weakness typeCWE-416Use after free

How to fix

Update

FreeRDP FreeRDP3.32.1 or later

Vendor advisories

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5xjc-c64q-m8r6

Affected products

Product	Affected versions	Fixed in
FreeRDP FreeRDP	3.32.0 ≤ v < 3.32.1	3.32.1

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