18 lines
618 B
Text
18 lines
618 B
Text
CVE-2019-16927, CVE-2019-9877 from 4.02
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Index: xpdf/TextOutputDev.cc
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--- xpdf/TextOutputDev.cc.orig
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+++ xpdf/TextOutputDev.cc
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@@ -2472,6 +2472,12 @@ TextBlock *TextPage::split(GList *charsA, int rot) {
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//----- compute the horizontal and vertical profiles
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+ if (xMin / splitPrecision < 0.5 * INT_MIN ||
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+ xMax / splitPrecision > 0.5 * INT_MAX ||
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+ yMin / splitPrecision < 0.5 * INT_MIN ||
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+ xMax / splitPrecision > 0.5 * INT_MAX) {
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+ return NULL;
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+ }
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// add some slack to the array bounds to avoid floating point
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// precision problems
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xMinI = (int)floor(xMin / splitPrecision) - 1;
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