Skip to content Sign up Sign in This repository Explore Features Enterprise Blog Vulnerability announced: update your Git clients /.pagehead Featured All Posts New Features Engineering Enterprise Meetups New Hires Watercooler Subscribe December 18, 2014 vmg Engineering A critical Git security vulnerability has been announced today , affecting all versions of the official Git client and all related software that interacts with Git repositories, including GitHub for Windows and GitHub for Mac. Because this is a client-side only vulnerability, github.com and GitHub Enterprise are not directly affected. The vulnerability concerns Git and Git-compatible clients that access Git repositories in a case-insensitive or case-normalizing filesystem. An attacker can craft a malicious Git tree that will cause Git to overwrite its own .git/c...