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home:Alexander_Naumov:SLE-12:Update
p7zip.6679
p7zip-9.20.1-CVE-2017-17969.patch
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File p7zip-9.20.1-CVE-2017-17969.patch of Package p7zip.6679
Index: p7zip_9.20.1/CPP/7zip/Compress/ShrinkDecoder.cpp =================================================================== --- p7zip_9.20.1.orig/CPP/7zip/Compress/ShrinkDecoder.cpp +++ p7zip_9.20.1/CPP/7zip/Compress/ShrinkDecoder.cpp @@ -99,7 +99,13 @@ HRESULT CDecoder::CodeReal(ISequentialIn corectionIndex = i; _stack[i++] = _suffixes[cur]; cur = _parents[cur]; + if (cur >= kNumItems || i >= kNumItems) + break; } + + if (cur >= kNumItems || i >= kNumItems) + break; + _stack[i++] = (Byte)cur; if (needPrev) {
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