This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2026-91961 →
DEBIAN-CVE-2026-91961
FreeRDP before 3.31.0 contains a denial-of-service vulnerability in the URBDRC control-transfer request path that fails to validate OutputBufferSize b...
Original description
The description as published by the source.
FreeRDP before 3.31.0 contains a denial-of-service vulnerability in the URBDRC control-transfer request path that fails to validate OutputBufferSize before forwarding to the libusb backend. A malicious RDP server can send a control-transfer request with OutputBufferSize set to 65536, triggering a reachable assertion that terminates the client process.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
freerdp2
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:13
freerdp3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Debian:14
freerdp3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.31.0+dfsg-1"}]}]
References
- advisory security-tracker.debian.org