A format string in a TRACE logger can read the process environment
Passing a request line to snprintf as its format string turns logging into memory disclosure. Use a constant format and keep secrets out of process memory.
·3 mins
Logging
2026
QtInfoMsg is numerically above QtFatalMsg, so an INFO filter dropped every warning
A Qt desktop app filtered log lines with msgType < minimumType. Qt numbers its message types in the order they were added, not by severity, so at the default INFO level the log was full of info lines and held no warning or error at all.
·4 mins