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Security Advisory

USN-5686-1: Git vulnerabilities




Canonical Ubuntu

Versions Affected

  • Canonical Ubuntu 18.04


Cory Snider discovered that Git incorrectly handled certain symbolic links. An attacker could possibly use this issue to cause an unexpected behaviour. (CVE-2022-39253) Kevin Backhouse discovered that Git incorrectly handled certain command strings. An attacker could possibly use this issue to arbitrary code execution. (CVE-2022-39260) Update Instructions: Run `sudo pro fix USN-5686-1` to fix the vulnerability. The problem can be corrected by updating your system to the following package versions: git – 1:2.17.1-1ubuntu0.13 gitweb – 1:2.17.1-1ubuntu0.13 git-gui – 1:2.17.1-1ubuntu0.13 git-daemon-sysvinit – 1:2.17.1-1ubuntu0.13 git-el – 1:2.17.1-1ubuntu0.13 gitk – 1:2.17.1-1ubuntu0.13 git-all – 1:2.17.1-1ubuntu0.13 git-mediawiki – 1:2.17.1-1ubuntu0.13 git-daemon-run – 1:2.17.1-1ubuntu0.13 git-man – 1:2.17.1-1ubuntu0.13 git-doc – 1:2.17.1-1ubuntu0.13 git-svn – 1:2.17.1-1ubuntu0.13 git-cvs – 1:2.17.1-1ubuntu0.13 git-email – 1:2.17.1-1ubuntu0.13 No subscription required

CVEs contained in this USN include: CVE-2022-39253, CVE-2022-39260.

Affected Cloud Foundry Products and Versions

Severity is medium unless otherwise noted.

  • cflinuxfs3
    • All versions prior to 0.329.0
  • CF Deployment
    • All versions prior to 23.0.0


Users of affected products are strongly encouraged to follow the mitigations below. The Cloud Foundry project recommends upgrading the following releases:

  • cflinuxfs3
    • Upgrade all versions to 0.329.0 or greater
  • CF Deployment
    • Upgrade all versions to 23.0.0 or greater


2022-12-07: Initial vulnerability report published.

Cloud Foundry Foundation Security Team Profile Image

Cloud Foundry Foundation Security Team, AUTHOR