USN-4038-2: bzip2 vulnerabilities

26 June 2019

Several security issues were fixed in bzip2.

Releases

Packages

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

Details

USN-4038-1 fixed several vulnerabilities in bzip2. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Aladdin Mubaied discovered that bzip2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(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 14.04
Ubuntu 12.04

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

Related notices

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