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Ubuntu Security Notice USN-3712-2

Ubuntu Security Notice USN-3712-2
Posted Jul 11, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3712-2 - USN-3712-1 fixed a vulnerability in libpng. This update provides the corresponding update for Ubuntu 12.04 ESM. Patrick Keshishian discovered that libpng incorrectly handled certain PNG files. An attacker could possibly use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2016-10087
MD5 | 76f76ca5b5014c417a22b9e6f7000d52

Ubuntu Security Notice USN-3712-2

Change Mirror Download
==========================================================================
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://usn.ubuntu.com/usn/usn-3712-2
https://usn.ubuntu.com/usn/usn-3712-1
CVE-2016-10087

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