File lasem-cairo-avoid-integer-overflow.patch of Package lasem

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File lasem-cairo-avoid-integer-overflow.patch of Package lasem (Revision f52a0ea37519ea34846b4f53aa10162f)

Currently displaying revision f52a0ea37519ea34846b4f53aa10162f , Show latest

From 6f2feed780d9139a45c06e1ad399d06a4f351fbf Mon Sep 17 00:00:00 2001
From: RyuzakiKK <aasonykk@gmail.com>
Date: Sat, 5 Aug 2017 21:40:55 +0200
Subject: cairo: Avoid integer overflow CVE-2013-7447

lasem is affected by a possible integer overflow, that was also
found and patched upstream in gtk+
https://git.gnome.org/browse/gtk+/commit/?id=894b1ae76a32720f4bb3d39cf460402e3ce331d6
---
 src/lsmcairo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lsmcairo.c b/src/lsmcairo.c
index c568fd5..73fb93e 100644
--- a/src/lsmcairo.c
+++ b/src/lsmcairo.c
@@ -528,7 +528,7 @@ lsm_cairo_set_source_pixbuf (cairo_t *cairo,
 		format = CAIRO_FORMAT_ARGB32;
 
 	cairo_stride = cairo_format_stride_for_width (format, width);
-	cairo_pixels = g_malloc (height * cairo_stride);
+	cairo_pixels = g_malloc_n (height, cairo_stride);
 	surface = cairo_image_surface_create_for_data ((unsigned char *)cairo_pixels,
 						       format,
 						       width, height, cairo_stride);
-- 
cgit v0.12

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File lasem-cairo-avoid-integer-overflow.patch of Package lasem (Revision f52a0ea37519ea34846b4f53aa10162f)

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