--- cryptlib-3.3.3/session/cmp_rdmsg.c~	2009-07-10 23:39:22.000000000 +0200
+++ cryptlib-3.3.3/session/cmp_rdmsg.c	2015-12-22 23:43:53.932096178 +0100
@@ -276,7 +276,7 @@
 				  "locus %d", errorType, errorLocus ) );
 		}
 	retExt( errorStatus,
-			( errorStatus, SESSION_ERRINFO, 
+			( errorStatus, SESSION_ERRINFO, "%s",
 			  extErrorInfoPtr->errorString ) );
 	}
 #else