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Freerdp CVE-2026-31884

| EUVDEUVD-2026-12062 MEDIUM
Divide By Zero (CWE-369)
2026-03-13 GitHub_M
6.5
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative
Red Hat
6.5 MEDIUM
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Patch available
Apr 16, 2026 - 05:29 EUVD
3.24.0
EUVD ID Assigned
Mar 13, 2026 - 18:00 euvd
EUVD-2026-12062
Analysis Generated
Mar 13, 2026 - 18:00 vuln.today
CVE Published
Mar 13, 2026 - 17:36 nvd
MEDIUM 6.5

DescriptionGitHub Advisory

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % block_size where block_size = context->common.format.nBlockAlign. The nBlockAlign value comes from the Server Audio Formats PDU on the RDPSND channel. The value 0 is not validated anywhere before reaching the decoder. When nBlockAlign = 0, the modulo operation causes a SIGFPE (floating point exception) crash. This vulnerability is fixed in 3.24.0.

AnalysisAI

A denial of service vulnerability in FreeRDP (CVSS 6.5). Remediation should follow standard vulnerability management procedures.

Technical ContextAI

Vulnerability type: denial of service. Affects FreeRDP.

RemediationAI

Monitor vendor channels for patch availability.

CVE-2026-25997 CRITICAL POC
9.8 Feb 25

Use-after-free in FreeRDP xf_clipboard_format_equal before 3.23.0. Clipboard format comparison uses freed memory. Fifth

CVE-2026-25953 CRITICAL POC
9.8 Feb 25

Use-after-free in FreeRDP xf_AppUpdateWindowFromSurface before 3.23.0. Surface-to-window update triggers memory corrupti

CVE-2026-25952 CRITICAL POC
9.8 Feb 25

Use-after-free in FreeRDP xf_SetWindowMinMaxInfo before version 3.23.0. X11 client window management triggers memory cor

CVE-2026-25959 CRITICAL POC
9.8 Feb 25

Use-after-free in FreeRDP xf_cliprdr_provide_data clipboard handling before 3.23.0. Clipboard data exchange triggers mem

CVE-2026-22857 CRITICAL POC
9.8 Jan 14

FreeRDP IRP thread handler has a use-after-free where the IRP is freed by Complete() then accessed on the error path. Fi

CVE-2026-22854 CRITICAL POC
9.8 Jan 14

FreeRDP drive read heap overflow when server-controlled read length exceeds IRP output buffer. Fixed in 3.20.1. PoC avai

CVE-2026-22852 CRITICAL POC
9.8 Jan 14

FreeRDP client before 3.20.1 has a heap buffer overflow in AUDIN format processing. A malicious RDP server can corrupt m

CVE-2026-25955 CRITICAL POC
9.8 Feb 25

Use-after-free in FreeRDP xf_AppUpdateWindowFromSurface before 3.23.0. Different code path from CVE-2026-25953. PoC and

CVE-2024-32041 CRITICAL POC
9.8 Apr 22

FreeRDP is a free implementation of the Remote Desktop Protocol. Rated critical severity (CVSS 9.8), this vulnerability

CVE-2023-40574 CRITICAL POC
9.8 Aug 31

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Rated critical

CVE-2023-40569 CRITICAL POC
9.8 Aug 31

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Rated critical

CVE-2023-40567 CRITICAL POC
9.8 Aug 31

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Rated critical

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed

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CVE-2026-31884 vulnerability details – vuln.today

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