diff -uNr commoncpp2-orig/src/keydata.cpp commoncpp2/src/keydata.cpp
--- commoncpp2-orig/src/keydata.cpp	2003-01-04 12:30:26.000000000 +0100
+++ commoncpp2/src/keydata.cpp	2003-01-04 12:27:56.000000000 +0100
@@ -283,7 +283,7 @@
 	if(*keypath == '~')
 	{
 		prefix = getenv("HOME");
-		strcpy(path, prefix);
+		strncpy(path, prefix, 507); // 512 - "/." - "rc" - '\0'
 		strcat(path, "/.");
 		++keypath;
 	}
@@ -293,7 +293,7 @@
 		prefix = getenv(environment);
 		if(!prefix)
 			prefix = ETC_PREFIX;
-		strcpy(path, prefix);
+		strncpy(path, prefix, 506); // 512 - ".conf" - '\0'
 		prefix = NULL;
 	}