This indicates an attack attempt to exploit a Code Injection vulnerability in KDE Frameworks KConfig.
The vulnerability is due to an error in the application when handling a craft file. A remote attacker may be able exploit this to execute arbitrary code within the context of the application.
KDE KConfig before version 5.61.0
Debian Linux 9.0
Debian Linux 10.0
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.