Vulnerability Description
open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.c. This allows a remote attacker to cause a denial of service.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Related Weaknesses (CWE)
References
- https://github.com/open62541/open62541/blob/v1.5.5/src/client/ua_client_highleve
- https://github.com/open62541/open62541/issues/8139
- https://github.com/open62541/open62541/issues/8139
FAQ
What is CVE-2026-67862?
CVE-2026-67862 is a vulnerability with a CVSS score of 7.5 (HIGH). open62541 1.5.5 contains a buffer-overflow in the high-level attribute reading logic in src/client/ua_client_highlevel.c. This allows a remote attacker to cause a denial of service.
How severe is CVE-2026-67862?
CVE-2026-67862 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-67862?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.