CVE-2026-67861

Description

An issue in open62541 v.1.5.5 and before allows a remote attacker to cause a denial of service via the UA_Client_getRemoteDataTypes component

References

• https://github.com/open62541/open62541/issues/8140
• https://raw.githubusercontent.com/open62541/open62541/v1.5.5/examples/custom_datatype/client_types_custom.c
• https://raw.githubusercontent.com/open62541/open62541/v1.5.5/src/client/ua_client_util.c