Access of Uninitialized Pointer Affecting libwinpr-devel package, versions <2:2.11.7-7.el9_8.8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.67% (50th percentile)

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  • Snyk IDSNYK-RHEL9-LIBWINPRDEVEL-20677981
  • published9 Oct 2026
  • disclosed15 Sept 2026

Introduced: 15 Sep 2026

CVE-2026-91963  (opens in a new tab)
CWE-824  (opens in a new tab)

How to fix?

Upgrade RHEL:9 libwinpr-devel to version 2:2.11.7-7.el9_8.8 or higher.
This issue was patched in RHSA-2026:76755.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libwinpr-devel package and not the libwinpr-devel package as distributed by RHEL. See How to fix? for RHEL: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