What is GHSA-5gph-ghwr-pp5p?

GHSA-5gph-ghwr-pp5p is a security advisory published by GitHub Security Advisories with High severity. FreeRDP before 3.32.2 contains a cross-thread use-after-free vulnerability in the freerdp-proxy...

Which CVE IDs does GHSA-5gph-ghwr-pp5p cover?

GHSA-5gph-ghwr-pp5p covers the following CVE IDs: CVE-2026-121398. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-5gph-ghwr-pp5p?

GHSA-5gph-ghwr-pp5p has a CVSS v3 base score of 5.9, published by GitHub Security Advisories.

GHSA-5gph-ghwr-pp5pHighCVSS 5.9

FreeRDP before 3.32.2 contains a cross-thread use-after-free vulnerability in the freerdp-proxy...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-121398 →

📋 Description

FreeRDP before 3.32.2 contains a cross-thread use-after-free vulnerability in the freerdp-proxy dyn-channel-dump module during session teardown. A malicious RDP target can send dynamic channel data while the front client disconnects, letting the client thread read freed ChannelData and crash the proxy process.

🔗 References (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-v3q2-qjvf-7rqw
https://nvd.nist.gov/vuln/detail/CVE-2026-121398
https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-via-dyn-channel-dump-module
https://github.com/advisories/GHSA-5gph-ghwr-pp5p