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https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2008-3522

diff -pruN jasper-1.900.1.orig/src/libjasper/base/jas_stream.c jasper-1.900.1/src/libjasper/base/jas_stream.c
--- jasper-1.900.1.orig/src/libjasper/base/jas_stream.c	2009-10-22 10:27:45.000000000 +0200
+++ jasper-1.900.1/src/libjasper/base/jas_stream.c	2009-10-22 10:35:53.000000000 +0200
@@ -553,7 +553,7 @@ int jas_stream_printf(jas_stream_t *stre
 	int ret;
 
 	va_start(ap, fmt);
-	ret = vsprintf(buf, fmt, ap);
+	ret = vsnprintf(buf, sizeof buf, fmt, ap);
 	jas_stream_puts(stream, buf);
 	va_end(ap);
 	return ret;