=========================================================================Ubuntu Security Notice USN-3712-2
July 11, 2018
libpng vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
libpng could be made to crash if it received a specially crafted file.
Software Description:
- libpng: PNG (Portable Network Graphics) file library
Details:
USN-3712-1 fixed a vulnerability in libpng. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Patrick Keshishian discovered that libpng incorrectly handled certain
PNG files. An attacker could possibly use this to cause a denial of
service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
libpng12-0 1.2.46-3ubuntu4.3
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3712-2
https://ubuntu.com/security/notices/USN-3712-1
CVE-2016-10087
