package-nopast/kde/koffice/koffice-xpdf-CVE-2007-3387.patch

# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: package/.../koffice/koffice-xpdf-CVE-2007-3387.patch
# Copyright (C) 2009 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- SDE-COPYRIGHT-NOTE-END ---

http://mirrors.ibiblio.org/pub/mirrors/kde/security_patches/koffice-xpdf-CVE-2007-3387.diff

--- ./filters/kword/pdf/xpdf/xpdf/Stream.cc
+++ ./filters/kword/pdf/xpdf/xpdf/Stream.cc
@@ -413,13 +413,11 @@ StreamPredictor::StreamPredictor(Stream 
   predLine = NULL;
   ok = gFalse;
 
-  if (width <= 0 || nComps <= 0 || nBits <= 0 ||
-     nComps >= INT_MAX / nBits ||
-      width >= INT_MAX / nComps / nBits)
-    return;
-
   nVals = width * nComps;
-  if (nVals * nBits + 7 <= 0)
+  if (width <= 0 || nComps <= 0 || nBits <= 0 ||
+     nComps >= 4 || nBits > 16 ||
+      width >= INT_MAX / nComps ||
+      nVals >= (INT_MAX - 7) / nBits)
     return;
 
   pixBytes = (nComps * nBits + 7) >> 3;