The specific vulnerability exists is in the analysis of 7Z files. User interaction is required to exploit this vulnerability because the target must visit a malicious page or open a malicious file. The Zero Day Initiative writes that this vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. CVE-2023-31102ĬVE-2023-31102 is a 7Z File Parsing Integer Underflow Remote Code Execution vulnerability in 7-Zip that has been assigned a CVE score of 7.8 (i.e., risk is high). Two serious vulnerabilities were published by the Zero-Day-Initiative. German blog reader Ralf had pointed out later, that vulnerabilities in the packing program 7-ZIP has became publicin the discussion area – and Stefan Kanthak also sent me a mail with hints (thanks for that). There is a port of the command line version to Linux/Unix.I had reported about a vulnerability in WinRAR in the blog post WinRAR Code Execution Vulnerability CVE-2023-40477 at the end of August.

Self-extracting capability for 7z format.Strong AES-256 encryption in 7z and ZIP formats.High compression ratio in 7z format with LZMA and LZMA2 compression.Self-extracting capability for 7z format. For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip.

Unpacking only: 7z, ZIP, RAR, GZIP, GZ, BZIP2, BZ2, TAR, CAB, ISO, ARJ, LZH, LHA, CHM, MSI, WIM, Z, CPIO, RPM, DEB, CPIO, DMG, FAT, HFS, LZMA, NTFS, SPLIT, SWM, TAZ, TBZ, TBZ2, TGZ, TPZ, VHD, XAR, XZ, Z and NSIS. Supported formats – Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR. High compression ratio in new 7z format with LZMA compression. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. 7-Zip – is a file archiver with a high compression ratio.

Instal the new for android 7-Zip 23.01