File php-CVE-2016-7126.patch of Package php7.3356
m b6f13a5ef9d6280cf984826a5de012a32c396cd4 Mon Sep 17 00:00:00 2001
From: Stanislav Malyshev <stas@php.net>
Date: Wed, 10 Aug 2016 00:00:14 -0700
Subject: [PATCH] Fix bug#72697 - select_colors write out-of-bounds
---
ext/gd/gd.c | 16 ++++++++--------
ext/gd/tests/bug72697.phpt | 17 +++++++++++++++++
2 files changed, 25 insertions(+), 8 deletions(-)
create mode 100644 ext/gd/tests/bug72697.phpt
Index: php-7.0.7/ext/gd/gd.c
===================================================================
--- php-7.0.7.orig/ext/gd/gd.c 2016-09-07 11:35:08.429178734 +0200
+++ php-7.0.7/ext/gd/gd.c 2016-09-07 11:37:35.327680268 +0200
@@ -1514,11 +1514,11 @@ PHP_FUNCTION(imagetruecolortopalette)
RETURN_FALSE;
}
- if (ncolors <= 0) {
- php_error_docref(NULL, E_WARNING, "Number of colors has to be greater than zero");
+ if (ncolors <= 0 || ncolors > INT_MAX) {
+ php_error_docref(NULL, E_WARNING, "Number of colors has to be greater than zero and no more than %d", INT_MAX);
RETURN_FALSE;
}
- gdImageTrueColorToPalette(im, dither, ncolors);
+ gdImageTrueColorToPalette(im, dither, (int)ncolors);
RETURN_TRUE;
}