p7zip null pointer backreference vulnerability

p7zip is a set of data compression and decompression software for Unix-like systems that is, 7z compression software under Win. A security vulnerability exists in the 'CInArchive::ReadAndDecodePackedStreams' function in the CPP/7zip/Archive/7z/7z/ 7zIn.cpp file in p7zip 16.02 and earlier versions...