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-3677-1: Linux kernel vulnerabilities

11 June 2018

Several security issues were fixed in the Linux kernel.

  • Ubuntu 17.10

CVE ID

CVE-2018-1068, CVE-2018-1092, CVE-2018-7492 + 2 others

USN-3675-1: GnuPG vulnerabilities

11 June 2018

Several security issues were fixed in GnuPG.

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

CVE ID

CVE-2018-12020, CVE-2018-9234

USN-3673-1: Unbound vulnerability

7 June 2018

A security issue was fixed in Unbound.

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

CVE ID

CVE-2017-15105

USN-3672-1: Liblouis vulnerabilities

6 June 2018

Several security issues were fixed in Liblouis.

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

CVE ID

CVE-2018-11683, CVE-2018-11684, CVE-2018-11685

USN-3671-1: Git vulnerabilities

5 June 2018

Several security issues were fixed in Git.

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

CVE ID

CVE-2018-11233, CVE-2018-11235

USN-3669-1: Liblouis vulnerabilities

4 June 2018

Several security issues were fixed in Liblouis.

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

CVE ID

CVE-2018-11410, CVE-2018-11440, CVE-2018-11577

USN-3668-1: Exempi vulnerabilities

4 June 2018

Exempi could be made to crash or run programs if it opened a specially crafted file.

  • Ubuntu 17.10 ,
  • 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2017-18233, CVE-2017-18234, CVE-2017-18236 + 5 others

USN-3665-1: Tomcat vulnerabilities

30 May 2018

Several security issues were fixed in Tomcat.

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

CVE ID

CVE-2017-12616, CVE-2017-12617, CVE-2017-15706 + 3 others

USN-3664-1: Apport vulnerability

30 May 2018

Apport could be tricked into causing a denial of service or escalate privileges.

  • Ubuntu 18.04 LTS,
  • 17.10 ,
  • 16.04 LTS

CVE ID

CVE-2018-6552

USN-3662-1: NVIDIA graphics drivers vulnerabilities

29 May 2018

NVIDIA graphics drivers could be made to crash or run programs as an administrator.

  • Ubuntu 17.10 ,
  • 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2018-6249, CVE-2018-6253

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