CVE-2026-67862CWE-400denial-of-service

CVE-2026-67862

High · published August 5, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
47.0
In the wild
Unconfirmed
What it is

open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.c. This allows a remote attacker to cause a denial of service.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00582 · 47.0th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-08-05T02:17Z
References (3)
https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_highlevel.c · [email protected]https://github.com/open62541/open62541/issues/8139 · [email protected]https://github.com/open62541/open62541/issues/8139 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 AUG 00:00Z
    open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.c
    cvelistv5