USN-4107-1: GIFLIB vulnerabilities

20 August 2019

Several security issues were fixed in GIFLIB.

Releases

Packages

  • giflib - library for GIF images (debug)
  • giflib - library for GIF images (utilities)

Details

It was discovered that GIFLIB incorrectly handled certain GIF files.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 18.04 LTS. (CVE-2016-3977)

It was discovered that GIFLIB incorrectly handled certain GIF files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-11490, CVE-2019-15133)

Update instructions

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

Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04

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