USN-3495-1: OptiPNG vulnerability

Publication date

27 November 2017

Overview

OptiPNG could be made to crash or run programs as your login if it opened a specially crafted file.


Packages

  • optipng - advanced PNG (Portable Network Graphics) optimizer

Details

It was discovered that OptiPNG incorrectly handled memory. A remote
attacker could use this issue with a specially crafted image file to cause
OptiPNG to crash, resulting in a denial of service, or possibly execute
arbitrary code.

It was discovered that OptiPNG incorrectly handled memory. A remote
attacker could use this issue with a specially crafted image file to cause
OptiPNG to crash, resulting in a denial of service, or possibly execute
arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful optipng –  0.7.6-1ubuntu0.17.10.1
17.04 zesty optipng –  0.7.6-1ubuntu0.17.04.1
16.04 xenial optipng –  0.7.6-1ubuntu0.16.04.1
14.04 trusty optipng –  0.6.4-1ubuntu0.14.04.2

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