What is GHSA-32wp-qph9-89pm?

GHSA-32wp-qph9-89pm is a security advisory published by GitHub Security Advisories with High severity. FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when...

Which CVE IDs does GHSA-32wp-qph9-89pm cover?

GHSA-32wp-qph9-89pm covers the following CVE IDs: CVE-2026-91954. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-32wp-qph9-89pm?

GHSA-32wp-qph9-89pm has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-32wp-qph9-89pmHighCVSS 6.5

FreeRDP before 3.31.0 contains a null pointer dereference vulnerability in gdi_surface_bits when...

Vendor

GitHub Security Advisories

Published

September 15, 2026

Last Modified

September 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-91954 →

📋 Description

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 (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-ffjr-p229-hpch
https://nvd.nist.gov/vuln/detail/CVE-2026-91954
https://www.vulncheck.com/advisories/freerdp-before-3.31.0-null-pointer-dereference-via-nscodec
https://github.com/advisories/GHSA-32wp-qph9-89pm