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Ubuntu 12.04 ESM USN-3758-2 Moderate: Libx11 Access Issues Fixed

ubuntu
Calendar Grey August 30, 2018
Dist Ubuntu Esm H88
The latest Ubuntu 12.04 ESM update tackles vulnerabilities in libx11, bolstering overall system security and safeguarding private information from potential breaches.
Several security issues were fixed in libx11.

Summary

Several security issues were fixed in libx11.

Software Description:

- libx11: X11 client-side library

Details:

USN-3758-1 fixed several vulnerabilities in libx11. This update

provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 Tobias Stoeckmann discovered that libx11 incorrectly handled certain

 images. An attacker could possibly use this issue to access sensitive

 information (CVE-2016-7942)

 Tobias Stoeckmann discovered that libx11 incorrectly handled certain

 inputs. An attacker could possibly use this issue to access sensitive

 information. (CVE-2016-7943)

 It was discovered that libx11 incorrectly handled certain inputs.

 An attacker could possibly use this issue to cause a denial of

 service. (CVE-2018-14598, CVE-2018-14599, CVE-2018-14600)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu moderate severity information disclosure libx11

Update Instructions

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

Ubuntu 12.04 ESM:
  libx11-6                        2:1.4.99.1-0ubuntu2.4
  libx11-dev                      2:1.4.99.1-0ubuntu2.4

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-3758-2

  https://ubuntu.com/security/notices/USN-3758-1

  CVE-2016-7942, CVE-2016-7943, CVE-2018-14598, CVE-2018-14599,

  CVE-2018-14600

August 30, 2018

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu moderate severity information disclosure libx11

Package Information

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