Vulnerability Description
A vulnerability was detected 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. The attack can be launched remotely. The exploit is now public and may be used. The project closed the issue report, stating that this is not the official way to report a security vulnerability.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/open62541/open62541/
- https://github.com/open62541/open62541/issues/8199
- https://vuldb.com/cve/CVE-2026-82623
- https://vuldb.com/submit/893207
- https://vuldb.com/vuln/397123
- https://vuldb.com/vuln/397123/cti
- https://vuldb.com/submit/893207
FAQ
What is CVE-2026-82623?
CVE-2026-82623 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability was detected 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...
How severe is CVE-2026-82623?
CVE-2026-82623 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-82623?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.