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openSUSE:Step:15-SP4
poppler.31252
CVE-2022-38784.patch
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File CVE-2022-38784.patch of Package poppler.31252
Index: poppler-0.79.0/poppler/JBIG2Stream.cc =================================================================== --- poppler-0.79.0.orig/poppler/JBIG2Stream.cc 2019-07-15 22:34:02.000000000 +0000 +++ poppler-0.79.0/poppler/JBIG2Stream.cc 2022-12-02 17:53:37.581677595 +0000 @@ -2094,7 +2094,11 @@ void JBIG2Stream::readTextRegionSeg(unsi for (i = 0; i < nRefSegs; ++i) { if ((seg = findSegment(refSegs[i]))) { if (seg->getType() == jbig2SegSymbolDict) { - numSyms += ((JBIG2SymbolDict *)seg)->getSize(); + const unsigned int segSize = ((JBIG2SymbolDict *)seg)->getSize(); + if (unlikely(checkedAdd(numSyms, segSize, &numSyms))) { + error(errSyntaxError, getPos(), "Too many symbols in JBIG2 text region"); + return; + } } else if (seg->getType() == jbig2SegCodeTable) { codeTables->push_back(seg); }
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