Description
Zoran/WinFormsAdvansed/RegeularDataToXML/Form1.cs in WinFormsAdvansed in NASD CORE.NET Terelik (aka corenet1) allows context-dependent attackers to cause a denial of service (CPU consumption) via an input string composed of many alphabetic characters followed by a ! (exclamation point), related to a certain regular expression, aka a "ReDoS" vulnerability.