o6 Open62541 Vulnerabilities

O6 Open62541 vulnerabilities.

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4 August 2026

Use After Free Vulnerability in open62541 Client Types by o6
CVE-2026-18785
O6Open62541👾🟡4.8MEDIUM
Heap-Based Buffer Overflow Vulnerability in o6 open62541 Software
CVE-2026-18784
O6Open62541👾🟡4.8MEDIUM

30 July 2026

Denial of Service Vulnerability in open62541 by Remote Attackers
CVE-2026-63362
O6 AutomationOpen625418.2HIGH
Integer Overflow Vulnerability in open62541's UA_Variant Array Dimensions
CVE-2026-65423
O6 AutomationOpen625418.7HIGH
Heap Use-After-Free Vulnerability in open62541's TransferSubscriptions Service
CVE-2026-63035
O6 AutomationOpen625417.2HIGH
Integer Overflow Vulnerability in open62541 Affects Data Integrity
CVE-2026-63559
O6 AutomationOpen625418.7HIGH

2 July 2026

5 February 2026

Heap Overflow Vulnerability in PubSub JSON Decoder for Affected Vendor Products
CVE-2026-1301
O6 Automation GmbhOpen625416.8MEDIUM