Out-of-bounds Read Affecting freerdp package, versions <2:2.11.7-1.amzn2.0.16


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.28% (19th percentile)

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  • Snyk IDSNYK-AMZN2-FREERDP-20244346
  • published29 Sept 2026
  • disclosed3 Sept 2026

Introduced: 3 Sep 2026

CVE-2026-85090  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 freerdp to version 2:2.11.7-1.amzn2.0.16 or higher.
This issue was patched in ALAS2-2026-3938.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp package and not the freerdp package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the general_ChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFX_AVC444_BITMAP_STREAM with specific frame geometry to trigger an out-of-bounds memory read past the allocated luma plane.

CVSS Base Scores

version 3.1