HIGH 7.1 NVD
CVE-2026-91954
FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when processing Surface Bits commands with NSCodec codec ID. A malic
FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when processing Surface Bits commands with NSCodec codec ID. A malicious RDP server can crash a FreeRDP client by sending a crafted Surface Bits command claiming to use NSCodec, even when the codec is disabled.
References
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-ffjr-p229-hpch
- https://www.vulncheck.com/advisories/freerdp-before-3.31.0-null-pointer-dereference-via-ns
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-09-15 via NVD.
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