CVE-2026-85090CWE-125

CVE-2026-85090

Medium · published September 3, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
19.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00281 · 19.5th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-09-03T17:06Z
Affected products (1)
ProductVersionsFixed in
freerdp/freerdp< 3.31.03.31.0
References (7)
https://github.com/FreeRDP/FreeRDP · [email protected]https://github.com/FreeRDP/FreeRDP/blob/3.30.0/libfreerdp/primitives/prim_YUV.c · [email protected]https://github.com/FreeRDP/FreeRDP/commit/d0a481cb74ab57bca24791fe11b89464a332d3f1 · [email protected]https://github.com/FreeRDP/FreeRDP/releases/tag/3.31.0 · [email protected]https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-57h7-vw2f-2f9x · [email protected]https://www.vulncheck.com/advisories/freerdp-before-3.31.0-heap-out-of-bounds-read-via-avc444 · [email protected]https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-57h7-vw2f-2f9x · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 SEP 03:44Z
    EPSS moved — → 0%
    epss
  • 03 SEP 20:59Z
    CVE-2026-85090 - MEDIUM Severity Vulnerability
    cvelistv5