CVE-2023-39353

Missing offset validation leading to Out Of Bound Read in FreeRDP

Published Aug 31, 2023 CVSS 3.1 · 5.3 Medium EPSS 1.5% KEV · Not listed
Description
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to a missing offset validation leading to Out Of Bound Read. In the `libfreerdp/codec/rfx.c` file there is no offset validation in `tile->quantIdxY`, `tile->quantIdxCb`, and `tile->quantIdxCr`. As a result crafted input can lead to an out of bounds read access which in turn will 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 vulnerability.

Analysis

No analysis available yet

Remediation

No remediation available yet

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-2023-43079 FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Affected versions are subject to a missing offset validation leading to Out Of Bound Read. In the `libfreerdp/codec/rfx.c` file there is no offset validation in `tile->quantIdxY`, `tile->quantIdxCb`, and `tile->quantIdxCr`. As a result crafted input can lead to an out of bounds read access which in turn will 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 vulnerability.
Ubuntu USN Ubuntu USN USN-6401-1 FreeRDP vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00055}

epss

{'score': 0.00051}

Type Values Removed Values Added
Metrics epss

{'score': 0.00078}

epss

{'score': 0.00055}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 3, 2025, 8:35 PM
Reserved
Jul 28, 2023, 1:26 PM
Status
Modified
Published
Aug 31, 2023, 9:15 PM
Modified
Jun 17, 2026, 6:12 AM
Severity
Low
Public date
Aug 31, 2023, 12:00 AM