CVE-2026-67860

Name of the Vulnerable Software and Affected Versions open62541 version 1.5.5

Description A heap-based buffer overflow occurs in the default HistoryRead path when the default history database is utilized with the memory backend. A heap-based buffer overflow is a memory corruption issue where a program writes more data to a heap-allocated buffer than it can hold.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.