OpcUa: Invalid read in message handler thread when running the viewer example

iscovering servers on  "opc.tcp://localhost:48010"
open62541LogHandlermsg="AcceptAll Certificate Verification. Any remote certificate will be accepted."
qt.opcua.plugins.open62541.sdk.userland: "AcceptAll Certificate Verification. Any remote certificate will be accepted."
open62541LogHandlermsg="Connection to %.*s failed with error: %s"
==16033== Thread 4 QOpen62541Client:
==16033== Invalid read of size 1
==16033==    at 0x668F822: std::char_traits<char>::length(char const*) (char_traits.h:335)
==16033==    by 0x669075E: long long QByteArrayView::lengthHelperPointer<char>(char const*) (qbytearrayview.h:144)
==16033==    by 0x6690790: QByteArrayView::QByteArrayView<char const*, true>(char const* const&) (qbytearrayview.h:188)
==16033==    by 0x68D10F6: QString::vasprintf(char const*, __va_list_tag*) (qstring.cpp:6773)
==16033==    by 0xFF01096: Open62541AsyncBackend::open62541LogHandler(void*, UA_LogLevel, UA_LogCategory, char const*, __va_list_tag*) (qopen62541backend.cpp:406)
==16033==    by 0xFF7D1D5: UA_LOG_WARNING (open62541.h:24257)
==16033==    by 0xFFF9DEF: UA_ClientConnectionTCP_poll (open62541.c:64438)
==16033==    by 0xFFB44FD: connectIterate (open62541.c:42193)
==16033==    by 0xFFB14C2: UA_Client_run_iterate (open62541.c:41215)
==16033==    by 0xFFB4D89: connectSync (open62541.c:42378)
==16033==    by 0xFFB4E07: UA_Client_connectSecureChannel (open62541.c:42393)
==16033==    by 0xFFB55C9: UA_Client_findServers (open62541.c:42596)