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USN-5686-4: Git vulnerability

28 March 2023

Git could be made to expose sensitive information.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

  • git - fast, scalable, distributed revision control system

Details

USN-5686-1 fixed several vulnerabilities in Git. This update
provides the corresponding fix for CVE-2022-39253 on Ubuntu 16.04 ESM.

Original advisory details:

Cory Snider discovered that Git incorrectly handled certain symbolic links.
An attacker could possibly use this issue to cause an unexpected behaviour.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-5686-1: git-email, git, git-el, git-daemon-sysvinit, gitk, git-all, git-gui, git-man, git-mediawiki, gitweb, git-svn, git-cvs, git-daemon-run, git-doc
  • USN-5686-3: git-email, git, git-daemon-sysvinit, gitk, git-all, git-gui, git-man, git-mediawiki, gitweb, git-svn, git-cvs, git-daemon-run, git-doc