What is GHSA-m4pj-hpxh-pqp3?

GHSA-m4pj-hpxh-pqp3 is a security advisory published by GitHub Security Advisories with High severity. FreeRDP before 3.32.2 contains a denial of service vulnerability in the shadow server's...

Which CVE IDs does GHSA-m4pj-hpxh-pqp3 cover?

GHSA-m4pj-hpxh-pqp3 covers the following CVE IDs: CVE-2026-121407. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-m4pj-hpxh-pqp3?

GHSA-m4pj-hpxh-pqp3 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-m4pj-hpxh-pqp3HighCVSS 6.5

FreeRDP before 3.32.2 contains a denial of service vulnerability in the shadow server's...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-121407 →

📋 Description

FreeRDP before 3.32.2 contains a denial of service vulnerability in the shadow server's remdesk_server_thread that allows authenticated clients to crash the process via an inverted PDU length check. Attackers can send an 8192-byte remdesk payload declaring an eight-byte PDU length to trigger a fatal Stream_Seek assertion, aborting the server and dropping sessions.

🔗 References (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-x8vp-ff7m-294g
https://nvd.nist.gov/vuln/detail/CVE-2026-121407
https://www.vulncheck.com/advisories/freerdp-before-3.32.2-shadow-server-denial-of-service-via-remdesk-channel
https://github.com/advisories/GHSA-m4pj-hpxh-pqp3