CVE-2026-25941HIGH 8.1EPSS p19.9%

CVE-2026-25941CVE-2026-25941

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Versions on the 2.x branch prior to to 2.11.8 and on the 3.x branch prior to 3.23.0 have an out-of-bounds read vulnerability in the FreeRDP client's RDPGFX channel that allows a malicious RDP server to read uninitialized heap memory by sending a crafted WIRE_TO_SURFACE_2 PDU with a `bitmapDataLength` value larger than the actual data in the packet. This can lead to information disclosure or client crashes when a user connects to a malicious server. Versions 2.11.8 and 3.23.0 fix the issue.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS0.28% probability of exploitation · percentile 19.9% · 2026-06-19T12:03:05Z
Published2026-02-25
Last modified2026-02-27

Underlying weaknesses· 2

CWE-20CWE-125

References

  1. https://github.com/FreeRDP/FreeRDP/commit/2e3b77e28ac6a398897d28ba464dcc5dfab9c9e2
  2. https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3546-x645-5cf8

2

TypeTargetConfidenceTier
WeaknessOut-of-bounds Readcwe-1250%live
WeaknessImproper Input Validationcwe-200%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.