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CVE-2023-39353

freerdp: missing offset validation leading to Out Of Bound Read

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Severity

Low

Red Hat Product Security

6.5

CVSS 3.1

Review impact separately from score.

Published · August 31, 2023

Updated · November 21, 2025

Description

A flaw was found in FreeRDP. 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, which may result in a crash.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-125 · Out-of-bounds Read