USN-4803-1: Gifsicle vulnerabilities

Publication date

15 March 2021

Overview

Gifsicle could be made to crash or run programs as an administrator if it opened a specially crafted file.


Packages

  • gifsicle - Tool for manipulating GIF images

Details

It was discovered that Gifsicle did not properly handle certain input. If a
user were tricked into opening a malicious GIF, an attacker could
potentially execute arbitrary code.

It was discovered that Gifsicle did not properly handle certain input. If a
user were tricked into opening a malicious GIF, an attacker could
potentially 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
16.04 xenial gifsicle –  1.88-1ubuntu0.1~esm1  
14.04 trusty gifsicle –  1.78-1ubuntu0.1~esm1  

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