What is GHSA-6qj6-xh5j-jwj9?

GHSA-6qj6-xh5j-jwj9 is a security advisory published by GitHub Security Advisories with High severity. FreeRDP from 3.17.0 before 3.32.2 contains an assertion failure in the RemoteFX differential...

Which CVE IDs does GHSA-6qj6-xh5j-jwj9 cover?

GHSA-6qj6-xh5j-jwj9 covers the following CVE IDs: CVE-2026-121395. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6qj6-xh5j-jwj9?

GHSA-6qj6-xh5j-jwj9 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-6qj6-xh5j-jwj9HighCVSS 6.5

FreeRDP from 3.17.0 before 3.32.2 contains an assertion failure in the RemoteFX differential...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-121395 →

📋 Description

FreeRDP from 3.17.0 before 3.32.2 contains an assertion failure in the RemoteFX differential decoder when verbose WinPR assertions are enabled. A malicious RDP server can send a crafted RemoteFX tile with adjacent LL3 coefficients summing beyond signed 16-bit range to abort the client process.

🔗 References (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-cg4f-57hc-v7w7
https://nvd.nist.gov/vuln/detail/CVE-2026-121395
https://www.vulncheck.com/advisories/freerdp-3.17.0-before-3.32.2-denial-of-service-via-remotefx-decoder
https://github.com/advisories/GHSA-6qj6-xh5j-jwj9