NULL Pointer Dereference Affecting freerdp package, versions <2:3.10.3-3.el10_0.5


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.47% (37th percentile)

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  • Snyk IDSNYK-RHEL10-FREERDP-15968899
  • published10 Apr 2026
  • disclosed9 Feb 2026

Introduced: 9 Feb 2026

CVE-2026-23948  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:10 freerdp to version 2:3.10.3-3.el10_0.5 or higher.
This issue was patched in RHSA-2026:6743.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp package and not the freerdp package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, a NULL pointer dereference vulnerability in rdp_write_logon_info_v2() allows a malicious RDP server to crash FreeRDP proxy by sending a specially crafted LogonInfoV2 PDU with cbDomain=0 or cbUserName=0. This vulnerability is fixed in 3.22.0.

CVSS Base Scores

version 3.1