USN-4811-1: libzip vulnerability

Publication date

15 March 2021

Overview

libzip could be made to crash or run programs if it received specially crafted ZIP archives.


Packages

  • libzip - library for reading, creating, and modifying zip archives

Details

It was discovered that libzip mishandled certain malformed ZIP archives.
A remote attacker could use this vulnerability to cause a denial of service.

It was discovered that libzip mishandled certain malformed ZIP archives.
A remote attacker could use this vulnerability to cause a denial of service.

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
18.04 LTS bionic ziptool –  1.1.2-1.1ubuntu0.1~esm1  
libzip4 –  1.1.2-1.1ubuntu0.1~esm1  
16.04 LTS xenial libzip4 –  1.0.1-0ubuntu1.1~esm1  
zipcmp –  1.0.1-0ubuntu1.1~esm1  

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