Use of Uninitialized Variable Affecting freerdp-libs package, versions <2:2.11.7-7.el9_8.8


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.67% (50th percentile)

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  • Snyk IDSNYK-ALMALINUX9-FREERDPLIBS-20729362
  • published10 Oct 2026
  • disclosed6 Oct 2026

Introduced: 6 Oct 2026

NewCVE-2026-91963  (opens in a new tab)
CWE-457  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 freerdp-libs to version 2:2.11.7-7.el9_8.8 or higher.
This issue was patched in ALSA-2026:76755.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp-libs package and not the freerdp-libs package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1