USN-4038-1: bzip2 vulnerabilities

26 June 2019

Several security issues were fixed in bzip2.

Releases

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)

Update instructions

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

Ubuntu 19.04
Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04

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

Related notices

  • USN-4146-2: libclamav9, clamav-freshclam, clamav-daemon, clamav-testfiles, clamav-base, clamav-docs, libclamav-dev, clamav-milter, clamav
  • USN-4146-1: libclamav9, clamav-freshclam, clamav-daemon, clamav-testfiles, clamav-base, clamav-docs, clamdscan, libclamav-dev, clamav-milter, clamav
  • USN-4038-2: bzip2, lib64bz2-1.0, lib32bz2-dev, libbz2-1.0, libbz2-dev, bzip2-doc, lib32bz2-1.0, lib64bz2-dev