CVE-2026-121387

Medium

Description

FreeRDP 2.0.0 before 3.32.2 contains an out-of-bounds read vulnerability in freerdp_dsp_decode_gsm610 that allows malicious RDP servers to read past audio buffers by sending truncated GSM610 frames. Attackers can negotiate GSM610 on rdpsnd and send a WAVE2 message shorter than a 33- or 32-byte WAV49 frame to crash the client.

SeverityMedium

CVSS4.3

Exploit probability—

ProductFreerdp

PublishedNov 3, 2026

First seenNov 4, 2026

Weakness typeCWE-125Out-of-bounds read

How to fix

Update

freerdp freerdp3.32.2 or later

Vendor advisories

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wg7g-gx9g-r96c

Affected products

Product	Affected versions	Fixed in
freerdp freerdp	2.0.0 ≤ v < 3.32.2	3.32.2

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