CVE-2026-22855CRITICAL 9.1EPSS p37.0%

CVE-2026-22855CVE-2026-22855

Description

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap out-of-bounds read occurs in the smartcard SetAttrib path when cbAttrLen does not match the actual NDR buffer length. This vulnerability is fixed in 3.20.1.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS0.47% probability of exploitation · percentile 37.0% · 2026-06-19T12:03:05Z
Published2026-01-14
Last modified2026-01-20

Underlying weaknesses· 1

CWE-125

References

  1. https://github.com/FreeRDP/FreeRDP/releases/tag/3.20.1
  2. https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rwp3-g84r-6mx9

1

TypeTargetConfidenceTier
WeaknessOut-of-bounds Readcwe-1250%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-22854
CVE
CVE-2026-22853
CVE
CVE-2026-25941
CVE
CVE-2026-33982
CVE
CVE-2026-22859
CVE
CVE-2026-31897
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.