What is GHSA-hf67-3c3m-x68x?

GHSA-hf67-3c3m-x68x is a security advisory published by GitHub Security Advisories with High severity. FreeRDP from 3.11.0 before 3.32.2 contains an assertion failure in the RemoteFX RLGR decoder that...

Which CVE IDs does GHSA-hf67-3c3m-x68x cover?

GHSA-hf67-3c3m-x68x covers the following CVE IDs: CVE-2026-121394. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-hf67-3c3m-x68x?

GHSA-hf67-3c3m-x68x has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-hf67-3c3m-x68xHighCVSS 6.5

FreeRDP from 3.11.0 before 3.32.2 contains an assertion failure in the RemoteFX RLGR decoder that...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-121394 →

📋 Description

FreeRDP from 3.11.0 before 3.32.2 contains an assertion failure in the RemoteFX RLGR decoder that allows malicious servers to terminate clients. Attackers controlling an RDP server can send a RemoteFX tileset with RLGR code 32767, triggering a signed narrowing assertion in rfx_rlgr_decode and crashing the client.

🔗 References (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5j39-x36c-x9pm
https://nvd.nist.gov/vuln/detail/CVE-2026-121394
https://www.vulncheck.com/advisories/freerdp-before-3.32.2-denial-of-service-via-remotefx-rlgr-decoder
https://github.com/advisories/GHSA-hf67-3c3m-x68x