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39 lines
1.4 KiB
39 lines
1.4 KiB
15 years ago
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# --- SDE-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# Filename: package/.../koffice/koffice-xpdf-CVE-2007-3387.patch
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# Copyright (C) 2009 The OpenSDE Project
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#
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# More information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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# --- SDE-COPYRIGHT-NOTE-END ---
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http://mirrors.ibiblio.org/pub/mirrors/kde/security_patches/koffice-xpdf-CVE-2007-3387.diff
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--- ./filters/kword/pdf/xpdf/xpdf/Stream.cc
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+++ ./filters/kword/pdf/xpdf/xpdf/Stream.cc
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@@ -413,13 +413,11 @@ StreamPredictor::StreamPredictor(Stream
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predLine = NULL;
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ok = gFalse;
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- if (width <= 0 || nComps <= 0 || nBits <= 0 ||
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- nComps >= INT_MAX / nBits ||
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- width >= INT_MAX / nComps / nBits)
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- return;
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-
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nVals = width * nComps;
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- if (nVals * nBits + 7 <= 0)
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+ if (width <= 0 || nComps <= 0 || nBits <= 0 ||
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+ nComps >= 4 || nBits > 16 ||
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+ width >= INT_MAX / nComps ||
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+ nVals >= (INT_MAX - 7) / nBits)
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return;
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pixBytes = (nComps * nBits + 7) >> 3;
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