CVE-2023-40589

FreeRDP Global-Buffer-Overflow in ncrush_decompress

Published Aug 31, 2023 CVSS 3.1 · 4.3 Medium EPSS 1.3% KEV · Not listed
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3606-1 freerdp2 security update
Debian DLA Debian DLA DLA-4053-1 freerdp2 security update
EUVD EUVD EUVD-2023-45149 FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.
Ubuntu USN Ubuntu USN USN-6401-1 FreeRDP vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00109}

epss

{'score': 0.001}

Type Values Removed Values Added
Metrics epss

{'score': 0.00166}

epss

{'score': 0.00109}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 3, 2025, 8:35 PM
Reserved
Aug 16, 2023, 6:24 PM
Status
Modified
Published
Aug 31, 2023, 7:15 PM
Modified
Jun 17, 2026, 6:18 AM
Severity
Moderate
Public date
Aug 31, 2023, 12:00 AM