[ CVE-2026-121387 · Published 3 Nov 2026 ]

Vulnerability in FreeRDP

CVSS 4.3 EPSS <1%1 agency advisoryNo fix listed yet

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

BSI CERT-Bund19 Oct 2026WID-SEC-2026-4039

FreeRDP: Multiple vulnerabilities Translated from German
Risk mediumCVE-2026-121412CVE-2026-121407CVE-2026-121400+20 more CVEs

[ References ]References

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wg7g-gx9g-r96cVendor Advisory
www.vulncheck.com/advisories/freerdp-2.0.0-before-3.32.2-out-of-bounds-read-via-gsm610-…Third Party Advisory

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

FreeRDP: Multiple vulnerabilities Translated from German

[ References ]References