๐Ÿ” CVE Alert

CVE-2026-85090

MEDIUM 5.4

FreeRDP before 3.31.0 Heap Out-of-Bounds Read via AVC444

CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-125
Vendor freerdp
Product freerdp
Published Sep 3, 2026
Last Updated Sep 5, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

Affected Versions

FreeRDP / FreeRDP
3.0.0 < 3.31.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-57h7-vw2f-2f9x github.com: https://github.com/FreeRDP/FreeRDP/commit/d0a481cb74ab57bca24791fe11b89464a332d3f1 github.com: https://github.com/FreeRDP/FreeRDP/releases/tag/3.31.0 github.com: https://github.com/FreeRDP/FreeRDP/blob/3.30.0/libfreerdp/primitives/prim_YUV.c github.com: https://github.com/FreeRDP/FreeRDP vulncheck.com: https://www.vulncheck.com/advisories/freerdp-before-3.31.0-heap-out-of-bounds-read-via-avc444

Credits

VladimirEliTokarev