Several security issues were fixed in CUPS.
It was discovered that CUPS incorrectly handled reference counting when handling localized strings. A remote attacker could use this issue to escalate permissions, upload a replacement CUPS configuration file, and execute arbitrary code. (CVE-2015-1158)
10 June 2015
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in CUPS.
It was discovered that CUPS incorrectly handled reference counting when handling localized strings. A remote attacker could use this issue to escalate permissions, upload a replacement CUPS configuration file, and execute arbitrary code. (CVE-2015-1158)
It was discovered that the CUPS templating engine contained a cross-site scripting issue. A remote attacker could use this issue to bypass default configuration settings. (CVE-2015-1159)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.