py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()

Summary PackInfo.read uses an On^2 cumulative sum pattern where numstreams is read directly from the archive header. A crafted .7z archive with a large numstreams value causes excessive CPU consumption during SevenZipFile.init — no extraction is needed. A 50 KB archive takes 7 seconds of CPU time...

EQGRP

This repository is an exploit module for the Linux operating system, specifically targeting the 7z file archiver. The exploit is designed to take advantage of a vulnerability in the 7z library, which is used by the 7z file archiver. The vulnerability allows an attacker to execute arbitrary code o...

Self-Extracting Archives created by 7-ZIP32.DLL may insecurely load Dynamic Link Libraries

Overview 7-ZIP32.DLL is an open source library for compressing and decompressing 7z and zip format files. It can also create self-extracting archive files. Self-extracting archive files created by 7-ZIP32.DLL contain an issue with the DLL search path, which may lead to insecurely loading Dynamic...

DEBIAN-CVE-2016-9296

A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause ...