If you have a version prior to 18.01, get the new one. If you use 7-Zip, you can see which version you’re running by starting 7-Zip and clicking on Help > About 7-Zip.
There’s been a lot of back and forth about the bugs, but the upshot is that 7-Zip’s creator, Igor Pavlov, released a new version of 7-Zip, version 18.01, on Jan. Landave applied for, and received, a MITRE number for the latter, CVE-2017-17969. There is a 32-bit or 64-bit installer available, depending on your needs.Details of the bugs have to do with 7-Zip memory corruption, made worse by not running ASLR and DEP, and a heap buffer overflow in the shrink routine. And it can also unpack ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, and MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, and Z.ħ-Zip has AES-256 encryption in 7z and ZIP formats, self-extracting capability for 7z format, integration with Windows Shell, a File Manager, a command-line version, and even features plug-ins. It supports the packing and unpacking 7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM. You can also alternate between a single or dual-pane view.ħ-Zip features a high compression ratio in the 7z format with LZMA compression. It also integrates with the Windows Explorer menus, displaying archive files as folders and providing a toolbar with drag-and-drop functions. At the same time, the View menu contains a Folder History, and the Favorites menu allows you to save up to ten folders. For example, the extract button lets you quickly browse or accept the default destination directory for your file. The main toolbar contains its most used features, and several menus allow you to dig deeper.
It has a straightforward and easy-to-navigate interface. 7-Zip is free, open-source software with open source under the GNU LGPL license. 7-Zip is a file archiver featuring a high compression ratio to extract or create compressed files in multiple formats.
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