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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4 December 2014

Several security issues were fixed in tcpdump.

  • Ubuntu 14.10 ,
  • 14.04 LTS,
  • 12.04 ,
  • 10.04

3 December 2014

The GNU C Library could be made to crash or run programs.

  • Ubuntu 14.10 ,
  • 14.04 LTS,
  • 12.04 ,
  • 10.04

3 December 2014

Several security issues were fixed in Thunderbird.

  • Ubuntu 14.10 ,
  • 14.04 LTS,
  • 12.04

3 December 2014

mod_wsgi could be made to run programs with incorrect privileges.

  • Ubuntu 14.10 ,
  • 14.04 LTS,
  • 12.04

CVE ID

CVE-2014-8583


2 December 2014

Firefox could be made to crash or run programs as your login if it opened a malicious website.

  • Ubuntu 14.10 ,
  • 14.04 LTS,
  • 12.04


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