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b09d5e70f1
Security: http://www.kde.org/info/security/advisory-20070730-1.txt Security: CVE-2007-3387
20 lines
601 B
Diff
20 lines
601 B
Diff
--- 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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