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prionPRIOn knowledge basePRION:CVE-2023-39353
HistoryAug 31, 2023 - 9:15 p.m.

Out-of-bounds

2023-08-3121:15:00
PRIOn knowledge base
www.prio-n.com
6
freerdp
rdp
out of bound read
fix
versions 2.11.0
3.0.0-beta3
upgrade
no workarounds

AI Score

9.1

Confidence

High

EPSS

0.001

Percentile

34.0%

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.