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From a93eac0e843148dc2d631c3ba80af17e9c8c860f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?F=C3=A1bio=20Cabral=20Pacheco?= <fcabralpacheco@gmail.com>
Date: Fri, 20 Dec 2019 12:03:33 -0300
Subject: [PATCH] Fix potential NULL pointer dereference in gdImageClone()
diff --git a/src/gd.c b/src/gd.c
index 592a0286..d564d1f9 100644
--- a/src/gd.c
+++ b/src/gd.c
@@ -2865,14 +2865,6 @@ BGD_DECLARE(gdImagePtr) gdImageClone (gdImagePtr src) {
}
}
- if (src->styleLength > 0) {
- dst->styleLength = src->styleLength;
- dst->stylePos = src->stylePos;
- for (i = 0; i < src->styleLength; i++) {
- dst->style[i] = src->style[i];
- }
- }
-
dst->interlace = src->interlace;
dst->alphaBlendingFlag = src->alphaBlendingFlag;
@@ -2907,6 +2899,7 @@ BGD_DECLARE(gdImagePtr) gdImageClone (gdImagePtr src) {
if (src->style) {
gdImageSetStyle(dst, src->style, src->styleLength);
+ dst->stylePos = src->stylePos;
}
for (i = 0; i < gdMaxColors; i++) {
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