CentOS Errata and Security Advisory CESA-2015:2360
The cups-filters packages contain back ends, filters, and other software that was once part of the core Common UNIX Printing System (CUPS) distribution but is now maintained independently.
A heap-based buffer overflow flaw and an integer overflow flaw leading to a heap-based buffer overflow were discovered in the way the texttopdf utility of cups-filter processed print jobs with a specially crafted line size. An attacker able to submit print jobs could use these flaws to crash texttopdf or, possibly, execute arbitrary code with the privileges of the "lp" user. (CVE-2015-3258, CVE-2015-3279)
The CVE-2015-3258 issue was discovered by Petr Sklenar of Red Hat.
Notably, this update also fixes the following bug:
In addition, this update adds the following enhancement:
All cups-filters users are advised to upgrade to these updated packages, which contain backported patches to correct these issues and add this enhancement.
Merged security bulletin from advisories: http://lists.centos.org/pipermail/centos-cr-announce/2015-November/008381.html
Affected packages: cups-filters cups-filters-devel cups-filters-libs
Upstream details at: https://rhn.redhat.com/errata/RHSA-2015-2360.html