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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29 November 2017

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

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

29 November 2017

libXfont could be made to access arbitrary files, including special device files.

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

29 November 2017

Several security issues were fixed in curl.

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

29 November 2017

Several security issues were fixed in OpenJDK 7.

  • Ubuntu 14.04 LTS

28 November 2017

Python could be made to run arbitrary code.

  • Ubuntu 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

28 November 2017

Python could be made to run arbitrary code.

  • Ubuntu 17.04 ,
  • 16.04 LTS,
  • 14.04 LTS

27 November 2017

USN-3477-1 caused a regression in Firefox.

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

27 November 2017

OptiPNG could be made to crash or run programs as your login if it opened a specially crafted file.

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

27 November 2017

XML::LibXML could be made to crash or run programs if it processed specially crafted input.

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

22 November 2017

LibRaw could be made to crash or run programs as your login if it opened a specially crafted file.

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


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