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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15 November 2017

Apport could be tricked into creating files as an administrator, resulting in denial of service or privilege escalation.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

14 November 2017

Several security issues were fixed in PostgreSQL.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

9 November 2017

postgresql-common could be made to overwrite files as the administrator.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

8 November 2017

Several security issues were fixed in OpenJDK 8.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS

6 November 2017

Several security issues were fixed in OpenSSL.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

31 October 2017

Several security issues were fixed in Quagga.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

30 October 2017

poppler could be made to crash if it opened a specially crafted file.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

26 October 2017

systemd could be made to temporarily stop responding if it received specially crafted network traffic.

  • Ubuntu 17.10 ,
  • 17.04

26 October 2017

Several security issues were fixed in Irssi.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

26 October 2017

Several security issues were fixed in Wget.

  • Ubuntu 17.10 ,
  • 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS


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