USN-4107-1: GIFLIB vulnerabilities

Publication date

20 August 2019

Overview

Several security issues were fixed in GIFLIB.


Packages

  • 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)

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

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
19.04 disco giflib-tools –  5.1.4-3ubuntu0.1
libgif7 –  5.1.4-3ubuntu0.1
18.04 bionic giflib-tools –  5.1.4-2ubuntu0.1
libgif7 –  5.1.4-2ubuntu0.1
16.04 xenial giflib-tools –  5.1.4-0.3~16.04.1
libgif7 –  5.1.4-0.3~16.04.1

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