CVE-2026-91961
MEDIUMCVSS 6.5Description
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.
Timeline
Published:September 15th, 2026 4:17 PM
Last modified:September 23rd, 2026 8:02 PM
CVSS Scoring
CVSS v3: 6.5 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Software
From NVD CPE configuration data
Vendors
freerdp
Products
freerdp
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
Source: NIST NVD · Data may lag official sources by up to one minute