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path: root/source/l/libwmf/libwmf-0.2.8.4-CVE-2016-9317.patch
blob: cf57734edf76eaaa555bab5b607b7081ae4b966f (about) (plain) (blame)
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--- libwmf-0.2.8.4/src/extra/gd/gd.c
+++ libwmf-0.2.8.4/src/extra/gd/gd.c
@@ -65,6 +65,18 @@
 {
   int i;
   gdImagePtr im;
+
+  if (overflow2(sx, sy)) {
+    return NULL;
+  }
+
+  if (overflow2(sizeof (unsigned char *), sy)) {
+    return NULL;
+  }
+  if (overflow2(sizeof (unsigned char), sx)) {
+    return NULL;
+  }
+
   im = (gdImage *) gdMalloc (sizeof (gdImage));
   memset (im, 0, sizeof (gdImage));
   /* Row-major ever since gd 1.3 */