USN-4038-1: bzip2 vulnerabilities

Publication date

26 June 2019

Overview

Several security issues were fixed in bzip2.


Packages

  • bzip2 - high-quality block-sorting file compressor - utilities

Details

Aladdin Mubaied discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 16.04 LTS. (CVE-2016-3189)

It was discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-12900)

Aladdin Mubaied discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 16.04 LTS. (CVE-2016-3189)

It was discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2019-12900)

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 bzip2 –  1.0.6-9ubuntu0.19.04
libbz2-1.0 –  1.0.6-9ubuntu0.19.04
18.10 cosmic bzip2 –  1.0.6-9ubuntu0.18.10
libbz2-1.0 –  1.0.6-9ubuntu0.18.10
18.04 bionic bzip2 –  1.0.6-8.1ubuntu0.1
libbz2-1.0 –  1.0.6-8.1ubuntu0.1
16.04 xenial bzip2 –  1.0.6-8ubuntu0.1
libbz2-1.0 –  1.0.6-8ubuntu0.1

Reduce your security exposure

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