diff --git a/ext/gd/libgd/gd.c b/ext/gd/libgd/gd.c
index 71a0e9ea63f2..9563354a99d8 100644
--- a/ext/gd/libgd/gd.c
+++ b/ext/gd/libgd/gd.c
@@ -2879,12 +2879,12 @@ void gdImageFilledPolygon (gdImagePtr im, gdPointPtr p, int n, int c)
 
 void gdImageSetStyle (gdImagePtr im, int *style, int noOfPixels)
 {
-	if (im->style) {
-		gdFree(im->style);
-	}
 	if (overflow2(sizeof (int), noOfPixels)) {
 		return;
 	}
+	if (im->style) {
+		gdFree(im->style);
+	}
 	im->style = (int *) gdMalloc(sizeof(int) * noOfPixels);
 	memcpy(im->style, style, sizeof(int) * noOfPixels);
 	im->styleLength = noOfPixels;
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 50527ceffa3a..3b987fa45e48 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -929,6 +929,7 @@ PHP_FUNCTION(inflate_init)
 	}
 
 	if (inflateInit2(&ctx->Z, encoding) != Z_OK) {
+		efree(dict);
 		zval_ptr_dtor(return_value);
 		php_error_docref(NULL, E_WARNING, "Failed allocating zlib.inflate context");
 		RETURN_FALSE;
@@ -1174,6 +1175,7 @@ PHP_FUNCTION(deflate_init)
 	}
 
 	if (deflateInit2(&ctx->Z, level, Z_DEFLATED, encoding, memory, strategy) != Z_OK) {
+		efree(dict);
 		zval_ptr_dtor(return_value);
 		php_error_docref(NULL, E_WARNING, "Failed allocating zlib.deflate context");
 		RETURN_FALSE;