CVE-2026-121387

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.

• CWE-125

• https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wg7g-gx9g-r96cVendor Advisory
• https://www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.2-out-of-bounds-read-via-gsm610-wav49-decoderThird Party Advisory

Published

Nov 3, 2026

Last Modified

Nov 3, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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