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Medium severity6.5NVD Advisory· Published Sep 15, 2026· Updated Sep 23, 2026

CVE-2026-91961

CVE-2026-91961

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Freerdp/Freerdp2 versions
    cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*range: <3.31.0
    • (no CPE)range: <3.31.0

Patches

Vulnerability mechanics

References

2

News mentions

1