[ CVE-2026-121403 · Published 3 Nov 2026 ]

Vulnerability in FreeRDP

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

[ Description ]Official description

FreeRDP before 3.32.2 contains a denial of service vulnerability where a malformed drive DEVICE_IOREQUEST with a truncated IRP_MJ_CREATE body silently kills the drive worker. A malicious RDP server can send such an IRP then post further requests that accumulate unbounded in the IrpQueue, exhausting memory and causing session availability loss.

[ 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-Bund18 Oct 2026WID-SEC-2026-4015

FreeRDP: Multiple vulnerabilities allow denial of service Translated from German
Risk lowCVE-2026-121389CVE-2026-121411CVE-2026-121403+1 more CVEs

[ References ]References

github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5qqp-5ffm-m3p9Vendor Advisory
www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-malformed-driv…Third Party Advisory

[ Description ]Official description

[ Fixes ]Fixes and patches

[ Advisories ]Government CERT advisories

FreeRDP: Multiple vulnerabilities allow denial of service Translated from German

[ References ]References