Ubuntu Security Notices

Developers issue an Ubuntu Security Notice when a security issue is fixed in an official Ubuntu package. You can find additional guidance for high-profile vulnerabilities in the Ubuntu Vulnerability Knowledge Base section.

To report a security vulnerability in an Ubuntu package, please contact the Security Team.

The Security Team also produces OVAL files for each Ubuntu release. These are an industry-standard machine-readable format dataset that contain details of all known security vulnerabilities and fixes relevant to the Ubuntu release, and can be used to determine whether a particular patch is appropriate. OVAL files can also be used to audit a system to check whether the latest security fixes have been applied.

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USN-3728-2: ClamAV vulnerabilities

1 August 2018

Several security issues were fixed in ClamAV.

  • Ubuntu 14.04 LTS

CVE ID

CVE-2018-14679, CVE-2018-14680, CVE-2018-14681 + 1 other

USN-3727-1: Bouncy Castle vulnerabilities

1 August 2018

Several security issues were fixed in Bouncy Castle.

  • Ubuntu 14.04 LTS

CVE ID

CVE-2015-6644, CVE-2015-7940, CVE-2016-1000338 + 6 others

USN-3725-1: MySQL vulnerabilities

30 July 2018

Several security issues were fixed in MySQL.

  • Ubuntu 18.04 LTS,
  • 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2018-2767, CVE-2018-3054, CVE-2018-3056 + 12 others

USN-3722-3: ClamAV regression

26 July 2018

USN-3722-1 introduced a regression in ClamAV.

  • Ubuntu 18.04 LTS,
  • 16.04 LTS,
  • 14.04 LTS

USN-3724-1: Evolution Data Server vulnerability

26 July 2018

Evolution Data Server could be made to expose sensitive information over the network.

  • Ubuntu 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2016-10727

USN-3723-1: Tomcat vulnerabilities

25 July 2018

Several security issues were fixed in Tomcat.

  • Ubuntu 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2018-1336, CVE-2018-8034

USN-3721-1: Apache Ant vulnerability

24 July 2018

Apache Ant could be made to overwrite files.

  • Ubuntu 14.04 LTS

CVE ID

CVE-2018-10886

USN-3722-1: ClamAV vulnerabilities

24 July 2018

ClamAV could be made to hang if it opened a specially crafted file.

  • Ubuntu 18.04 LTS,
  • 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2018-0360, CVE-2018-0361

USN-3719-1: Mutt vulnerabilities

23 July 2018

Several security issues were fixed in Mutt.

  • Ubuntu 18.04 LTS,
  • 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2018-14349, CVE-2018-14350, CVE-2018-14351 + 9 others

USN-3717-1: PolicyKit vulnerabilities

16 July 2018

Several security issues were fixed in PolicyKit.

  • Ubuntu 18.04 LTS,
  • 17.10 ,
  • 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2015-3218, CVE-2015-3255, CVE-2015-4625 + 1 other

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