=========================================================================Ubuntu Security Notice USN-3770-2
September 20, 2018

lcms, lcms2 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in Little CMS.

Software Description:
- lcms: Little CMS color management library utilities
- lcms2: Little CMS color management library

Details:

USN-3770-1 fixed a vulnerability in Little CMS. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 Pedro Ribeiro discoreved that Little CMS incorrectly handled certain
 files. An attacker could possibly use this issue to cause a denial of
 service. (CVE-2013-4276)

 Ibrahim El-Sayed discovered that Little CMS incorrectly handled
 certain files. An attacker could possibly use this issue to cause a
 denial of service. (CVE-2016-10165)

 Quang Nguyen discovered that Little CMS incorrectly handled certain
 files. An attacker could possibly use this issue to execute arbitrary
 code. (CVE-2018-16435)

Update instructions:

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

Ubuntu 12.04 ESM:
  liblcms-utils                   1.19.dfsg-1ubuntu3.1
  liblcms1                        1.19.dfsg-1ubuntu3.1
  liblcms2-2                      2.2+git20110628-2ubuntu3.3
  liblcms2-utils                  2.2+git20110628-2ubuntu3.3

After a standard system update you need to restart applications using
Little CMS to make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-3770-2
  https://ubuntu.com/security/notices/USN-3770-1
  CVE-2013-4276, CVE-2016-10165, CVE-2018-16435