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USN-3712-1: libpng vulnerabilities

11 July 2018

Several security issues were fixed in libpng.

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Releases

Packages

  • libpng - PNG (Portable Network Graphics) file library
  • libpng1.6 - PNG library - development (version 1.6)

Details

Patrick Keshishian discovered that libpng incorrectly handled certain PNG files.
An attacker could possibly use this to cause a denial of service. This issue
only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-10087)

Thuan Pham discovered that libpng incorrectly handled certain PNG files.
An attacker could possibly use this to cause a denial of service.
This issue only affected Ubuntu 17.10 and Ubuntu 18.04 LTS.
(CVE-2018-13785)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 17.10
Ubuntu 16.04
Ubuntu 14.04

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

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