CVE-2026-82623 | open62541 up to 1.5.5 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange use after free (Issue 8199)

A vulnerability described as problematic has been identified in open62541 up to 1.5.5. Affected by this vulnerability is the function UA_DataValue_backend_copyRange of the file plugins/historydata/ua_history_data_backend_memory.c of the component History Backend. The manipulation results in use after free.

This vulnerability is reported as CVE-2026-82623. The attack can be launched remotely. Moreover, an exploit is present.

The project closed the issue report, stating that this is not the official way to report a security vulnerability.VulDB Recent EntriesRead More