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Gentoo's Bugzilla – Attachment 490604 Details for
Bug 628188
<media-gfx/graphicsmagick-1.3.27: multiple vulnerabilites
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[patch]
CVE-2017-12937.patch
CVE-2017-12937.patch (text/plain), 1.23 KB, created by
Andrey Ovcharov
on 2017-08-25 23:26:53 UTC
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Description:
CVE-2017-12937.patch
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Creator:
Andrey Ovcharov
Created:
2017-08-25 23:26:53 UTC
Size:
1.23 KB
patch
obsolete
> ># HG changeset patch ># User Bob Friesenhahn <bfriesen@GraphicsMagick.org> ># Date 1501555785 18000 ># Node ID 95d00d55e978dec3e1bb4c288dbc210b5cc8bea1 ># Parent 921a31d31ea85405b54771941e195782e50e589d >SUN: Fix heap read overflow while indexing colormap in bilevel decoder > >diff -r 921a31d31ea8 -r 95d00d55e978 coders/sun.c >--- a/coders/sun.c Mon Jul 31 09:35:26 2017 -0400 >+++ b/coders/sun.c Mon Jul 31 21:49:45 2017 -0500 >@@ -1,5 +1,5 @@ > /* >-% Copyright (C) 2003-2015 GraphicsMagick Group >+% Copyright (C) 2003-2017 GraphicsMagick Group > % Copyright (C) 2002 ImageMagick Studio > % Copyright 1991-1999 E. I. du Pont de Nemours and Company > % >@@ -577,6 +577,7 @@ > for (bit=7; bit >= 0; bit--) > { > index=((*p) & (0x01 << bit) ? 0x01 : 0x00); >+ VerifyColormapIndex(image,index); > indexes[x+7-bit]=index; > q[x+7-bit]=image->colormap[index]; > } >@@ -587,6 +588,7 @@ > for (bit=7; bit >= (long) (8-(image->columns % 8)); bit--) > { > index=((*p) & (0x01 << bit) ? 0x01 : 0x00); >+ VerifyColormapIndex(image,index); > indexes[x+7-bit]=index; > q[x+7-bit]=image->colormap[index]; > }
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bug 628188
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