PT-2026-22022 · Freerdp+4 · Freerdp+4

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CVE-2026-27951

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Published

2026-02-25

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Updated

2026-08-10

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.23.0
Description The Stream EnsureCapacity function in FreeRDP versions prior to 3.23.0 can create an endless blocking loop. This issue may affect all client and server implementations using FreeRDP. Exploitation is practical on 32bit systems with physical memory greater than or equal to SIZE MAX.
Recommendations Update to version 3.23.0 or later.

Exploit

Fix

DoS

Integer Overflow

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Weakness Enumeration

Related Identifiers

ALSA-2026:16019
ALSA-2026:16482
ALSA-2026:19358
BDU:2026-04157
CVE-2026-27951
GHSA-QCFC-GHXR-H927
OESA-2026-2439
OESA-2026-2440
OESA-2026-2441
OESA-2026-2442
OESA-2026-2540
OPENSUSE-SU-2026:10611-1
OPENSUSE-SU-2026:20632-1
RHSA-2026:16019
RHSA-2026:16482
RHSA-2026:16483
RHSA-2026:16485
RHSA-2026:16777
RHSA-2026:16814
RHSA-2026:16865
RHSA-2026:16866
RHSA-2026:19358
SUSE-SU-2026:1632-1
SUSE-SU-2026:1633-1
SUSE-SU-2026:1634-1
SUSE-SU-2026:1635-1
SUSE-SU-2026:1640-1
SUSE-SU-2026:3562-1
USN-8105-1
USN-8105-2
USN-8561-1

Affected Products

Freerdp
Linuxmint
Red Os
Rocky Linux
Ubuntu