CVE-2026-91955 — FreeRDP before 3.31.0 Denial of Service via Desktop Dimensions
FreeRDP before 3.31.0 fails to validate client-supplied DesktopWidth and DesktopHeight values during GCC negotiation, allowing remote attackers to crash the server. Attackers ca…
Published: 2026-09-15 · CVSS: 8.2 · CVSS 4.0
FreeRDP before 3.31.0 fails to validate client-supplied DesktopWidth and DesktopHeight values during GCC negotiation, allowing remote attackers to crash the server. Attackers can send crafted RDP packets with zero or oversized dimensions to trigger division-by-zero or assertion failures in multifragment update capability calculations, terminating the server process.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7