Dashboard / CVE-2026-109940

CVE-2026-109940

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 35/100
Published: 2026-10-13 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Physical
AC: Low
PR: None
UI: Passive
S: X
AT: None
VC: None
VI: None
VA: High

Description

FreeRDP 3.0.0-beta1 before 3.32.0 on Unix builds with PKCS#11 support has a stack-based buffer overflow in wprintKeyName() in WinPR's NCrypt PKCS#11 provider. It hex-encodes a key's CKA_ID, which can be up to 64 bytes, into a fixed 128-byte stack buffer. An attacker supplying a malicious PKCS#11 token or module whose key and matching certificate use a 55- to 64-byte CKA_ID can overflow the client's stack during key enumeration, causing a crash.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
freerdp freerdp 3.0.0 – 3.32.0

References & Advisories (2)

Bug Bounty Relevance

35 / 100
✓ No authentication
✓ Low complexity

CVSS Score

5.1 / 10.0 v4.0
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.14%
Raw Score 0.001390
Percentile 3.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00139
2026-10-28
0.00139

Intelligence Sources

nvd ref →

External Links