KVIrc URI Handler Remote Format String Vulnerability

KVIrc is prone to a remote format-string vulnerability because the application fails to properly sanitize user-supplied input before including it in the format-specifier argument of a formatted-printing function.

A remote attacker may exploit this issue to execute arbitrary code with the privileges of the user running the affected application. Failed exploit attempts may cause denial-of-service conditions.

KVIrc 3.4.0 for Microsoft Windows is vulnerable; other versions may also be affected.


 

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