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Unscored USN-5193-3 3 CVEs

xorg-server-hwe-16.04 vulnerabilities

Published Jul 27, 2023 · Updated Jun 25, 2026

Summary

USN-5193-1 fixed several vulnerabilities in X.Org. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled
certain inputs. An attacker could use this issue to cause the server to
crash, resulting in a denial of service, or possibly execute arbitrary
code and escalate privileges.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS xorg-server-hwe-16.04 2:1.19.6-1ubuntu4.1~16.04.6+esm5

Vulnerabilities 3

References

  • report
    https://ubuntu.com/security/CVE-2021-4008
  • report
    https://ubuntu.com/security/CVE-2021-4009
  • report
    https://ubuntu.com/security/CVE-2021-4011