ImageMagick/CVE-2020-27763.patch
2021-03-01 21:16:40 +08:00

30 lines
972 B
Diff

From 667c284a440d10ae3453ddc5915caa5333da892d Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Mon, 1 Mar 2021 20:51:17 +0800
Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/issues/1718
---
magick/resize.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/magick/resize.c b/magick/resize.c
index 4564125..b8d9055 100644
--- a/magick/resize.c
+++ b/magick/resize.c
@@ -1084,10 +1084,10 @@ MagickExport ResizeFilter *AcquireResizeFilter(const Image *image,
Adjust window function scaling to match windowing support for
weighting function. This avoids a division on every filter call.
*/
- resize_filter->scale/=resize_filter->window_support;
+ resize_filter->scale*=PerceptibleReciprocal(resize_filter->window_support);
/*
- * Set Cubic Spline B,C values, calculate Cubic coefficients.
+ Set Cubic Spline B,C values, calculate Cubic coefficients.
*/
B=0.0;
C=0.0;
--
2.23.0