CVE-2023-39353

2023-09-0515:14:18

redhat.com

access.redhat.com

freerdp

offset validation

out-of-bounds read

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

9.1

Confidence

High

EPSS

0.002

Percentile

59.3%

JSON

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.