PT-2026-67881 · Open62541 · Open62541

CVE-2026-67859

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Published

2026-08-04

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Updated

2026-08-05

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions open62541 version 1.5.5
Description A buffer overflow occurs during the handling of the Discovery/LDS (Local Discovery Service), which allows a remote attacker to trigger a denial of service. A buffer overflow is a condition where a program writes more data to a block of memory than it can hold, potentially corrupting adjacent memory.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Buffer Overflow

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Weakness Enumeration

Related Identifiers

CVE-2026-67859

Affected Products

Open62541