Ubuntu 4038-2: bzip2 vulnerabilities

    Date26 Jun 2019
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in bzip2.
    Ubuntu Security Notice USN-4038-2
    June 26, 2019
    bzip2 vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 14.04 ESM
    - Ubuntu 12.04 ESM
    Several security issues were fixed in bzip2.
    Software Description:
    - bzip2: high-quality block-sorting file compressor - utilities
    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.
     It was discovered that bzip2 incorrectly handled certain files.
     An attacker could possibly use this issue to execute arbitrary code.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 14.04 ESM:
      bzip2                           1.0.6-5ubuntu0.1~esm1
      lib32bz2-1.0                    1.0.6-5ubuntu0.1~esm1
      lib64bz2-1.0                    1.0.6-5ubuntu0.1~esm1
      libbz2-1.0                      1.0.6-5ubuntu0.1~esm1
    Ubuntu 12.04 ESM:
      bzip2                           1.0.6-1ubuntu0.1
      lib32bz2-1.0                    1.0.6-1ubuntu0.1
      lib64bz2-1.0                    1.0.6-1ubuntu0.1
      libbz2-1.0                      1.0.6-1ubuntu0.1
    In general, a standard system update will make all the necessary changes.
      CVE-2016-3189, CVE-2019-12900
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