What is GHSA-59q5-wg5w-gxp4?

GHSA-59q5-wg5w-gxp4 is a security advisory published by GitHub Security Advisories with High severity. FreeRDP before 3.32.2 contains a use-after-free vulnerability in Emulate_SCardReleaseContext that...

Which CVE IDs does GHSA-59q5-wg5w-gxp4 cover?

GHSA-59q5-wg5w-gxp4 covers the following CVE IDs: CVE-2026-121955. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-59q5-wg5w-gxp4?

GHSA-59q5-wg5w-gxp4 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-59q5-wg5w-gxp4HighCVSS 7.5

FreeRDP before 3.32.2 contains a use-after-free vulnerability in Emulate_SCardReleaseContext that...

Vendor

GitHub Security Advisories

Published

November 4, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-121955 →

📋 Description

FreeRDP before 3.32.2 contains a use-after-free vulnerability in Emulate_SCardReleaseContext that frees the emulated SCardContext before its worker thread is cancelled and joined. A malicious server can send ESTABLISHCONTEXT, a long-timeout GETSTATUSCHANGE, then RELEASECONTEXT smartcard IRPs to corrupt heap memory or crash clients using smartcard emulation.

🔗 References (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-983v-jp34-f3fm
https://nvd.nist.gov/vuln/detail/CVE-2026-121955
https://www.vulncheck.com/advisories/freerdp-before-3.32.2-use-after-free-in-smartcard-emulation-releasecontext
https://github.com/advisories/GHSA-59q5-wg5w-gxp4