What is GHSA-v76r-r3hh-2mwm?

GHSA-v76r-r3hh-2mwm is a security advisory published by GitHub Security Advisories with High severity. FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in...

Which CVE IDs does GHSA-v76r-r3hh-2mwm cover?

GHSA-v76r-r3hh-2mwm covers the following CVE IDs: CVE-2026-91963. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-v76r-r3hh-2mwm?

GHSA-v76r-r3hh-2mwm has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-v76r-r3hh-2mwmHighCVSS 6.5

FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in...

Vendor

GitHub Security Advisories

Published

September 15, 2026

Last Modified

September 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-91963 →

📋 Description

FreeRDP versions before 3.31.0 contain an uninitialized heap memory disclosure vulnerability in the urbdrc USB redirection channel. A malicious RDP server can induce failing USB transfers to read uninitialized heap memory from the client, defeating ASLR and enabling remote code execution when chained with memory corruption vulnerabilities.

🔗 References (4)

https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-hw7p-5h2r-83gq
https://nvd.nist.gov/vuln/detail/CVE-2026-91963
https://www.vulncheck.com/advisories/freerdp-2.0.0-through-3.30.0-uninitialized-heap-memory-disclosure-via-urbdrc
https://github.com/advisories/GHSA-v76r-r3hh-2mwm