File php-CVE-2016-10168.patch of Package php7.4025

Index: php-7.0.7/ext/gd/libgd/gd_gd2.c
===================================================================
--- php-7.0.7.orig/ext/gd/libgd/gd_gd2.c	2017-01-31 15:30:53.171046679 +0100
+++ php-7.0.7/ext/gd/libgd/gd_gd2.c	2017-01-31 15:30:53.183046846 +0100
@@ -136,6 +136,10 @@ static int _gd2GetHeader(gdIOCtxPtr in,
 	GD2_DBG(php_gd_error("%d Chunks vertically", *ncy));
 
 	if (gd2_compressed(*fmt)) {
+               if (*ncx <= 0 || *ncy <= 0 || *ncx > INT_MAX / *ncy) {
+                       GD2_DBG(printf ("Illegal chunk counts: %d * %d\n", *ncx, *ncy));
+                       goto fail1;
+               }
 		nc = (*ncx) * (*ncy);
 		GD2_DBG(php_gd_error("Reading %d chunk index entries", nc));
                if (overflow2(sidx, nc)) {