CVE-2026-67857 | open62541 1.5.5 ua_client_connect.c responseReadNamespacesArray out-of-bounds
A vulnerability was found in open62541 1.5.5. It has been rated as critical. This affects the function responseReadNamespacesArray of the file src/client/ua_client_connect.c. This manipulation causes out-of-bounds read.
This vulnerability is tracked as CVE-2026-67857. The attack is possible to be carried out remotely. No exploit exists.