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OpenAdvisories
Medium USN-3817-1 5 CVEs

python2.7, python3.4, python3.5 vulnerabilities

Published Nov 13, 2018 · Updated Apr 22, 2026

Ecosystem: Ubuntu

Summary

It was discovered that Python incorrectly handled large amounts of data. A
remote attacker could use this issue to cause Python to crash, resulting in
a denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2018-1000030)

It was discovered that Python incorrectly handled running external commands
in the shutil module. A remote attacker could use this issue to cause
Python to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-1000802)

It was discovered that Python incorrectly used regular expressions
vulnerable to catastrophic backtracking. A remote attacker could possibly
use this issue to cause a denial of service. This issue only affected
Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2018-1060, CVE-2018-1061)

It was discovered that Python failed to initialize Expat's hash salt. A
remote attacker could possibly use this issue to cause hash collisions,
leading to a denial of service. (CVE-2018-14647)

Fixed packages 5

ReleasePackageFixed in
Ubuntu · 14.04 LTS 14.04:LTS python2.7 2.7.6-8ubuntu0.5
Ubuntu · 14.04 LTS 14.04:LTS python3.4 3.4.3-1ubuntu1~14.04.7
Ubuntu · 16.04 LTS 16.04:LTS python2.7 2.7.12-1ubuntu0~16.04.4
Ubuntu · 16.04 LTS 16.04:LTS python3.5 3.5.2-2ubuntu0~16.04.5
Ubuntu · 18.04 LTS 18.04:LTS python2.7 2.7.15~rc1-1ubuntu0.1

Vulnerabilities 5

References

  • report
    https://ubuntu.com/security/CVE-2018-1060
  • report
    https://ubuntu.com/security/CVE-2018-1061
  • report
    https://ubuntu.com/security/CVE-2018-14647
  • report
    https://ubuntu.com/security/CVE-2018-1000030
  • report
    https://ubuntu.com/security/CVE-2018-1000802