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Red Hat Bugzilla – Attachment 128248 Details for
Bug 189974
CVE-2006-2120 libtiff DoS
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[patch]
Patch extracted from upstream CVS
libtiff-bug1065.patch (text/plain), 953 bytes, created by
Josh Bressers
on 2006-04-26 12:14:54 UTC
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Description:
Patch extracted from upstream CVS
Filename:
MIME Type:
Creator:
Josh Bressers
Created:
2006-04-26 12:14:54 UTC
Size:
953 bytes
patch
obsolete
>Index: libtiff/tif_color.c >=================================================================== >RCS file: /cvs/maptools/cvsroot/libtiff/libtiff/tif_color.c,v >retrieving revision 1.11 >retrieving revision 1.12 >diff -a -u -r1.11 -r1.12 >--- libtiff/tif_color.c 23 Nov 2005 22:20:56 -0000 1.11 >+++ libtiff/tif_color.c 9 Feb 2006 15:42:20 -0000 1.12 >@@ -1,4 +1,4 @@ >-/* $Id: tif_color.c,v 1.11 2005/11/23 22:20:56 dron Exp $ */ >+/* $Id: tif_color.c,v 1.12 2006/02/09 15:42:20 dron Exp $ */ > > /* > * Copyright (c) 1988-1997 Sam Leffler >@@ -92,6 +92,11 @@ > Yg = TIFFmax(Yg, cielab->display.d_Y0G); > Yb = TIFFmax(Yb, cielab->display.d_Y0B); > >+ /* Avoid overflow in case of wrong input values */ >+ Yr = TIFFmin(Yr, cielab->display.d_YCR); >+ Yg = TIFFmin(Yg, cielab->display.d_YCG); >+ Yb = TIFFmin(Yb, cielab->display.d_YCB); >+ > /* Turn luminosity to colour value. */ > i = (int)((Yr - cielab->display.d_Y0R) / cielab->rstep); > i = TIFFmin(cielab->range, i);
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