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kyprizel/3.cpp

Created April 22, 2020 09:59
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CVE-2019-16535 medum
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3.cpp
UInt32 ICompressionCodec::decompress(const char * source, UInt32 source_size, char * dest) const
{
UInt8 method = source[0];
if (method != getMethodByte())
throw Exception("Can't decompress data with codec byte " + toString(method) + " from codec with byte " + toString(method), ErrorCodes::CANNOT_DECOMPRESS);
UInt8 header_size = getHeaderSize();
UInt32 decompressed_size = unalignedLoad<UInt32>(&source[5]);
doDecompressData(&source[header_size], source_size - header_size, dest, decompressed_size);
return decompressed_size;
}
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