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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26 November 2014

ClamAV could be made to crash or run programs if it processed a specially crafted file.

  • Ubuntu 14.10 ,
  • 14.04 LTS,
  • 12.04

25 November 2014

Squid could be made to crash if it received specially crafted network traffic.

  • Ubuntu 14.10 ,
  • 14.04 LTS

25 November 2014

Several security issues were fixed in the kernel.

  • Ubuntu 14.04 LTS

20 November 2014

apparmor_parser could allow applications that are confined by AppArmor to gain unintended access to resources.

  • Ubuntu 14.04 LTS

CVE ID

CVE-2014-1424


20 November 2014

Ruby could be made to consume resources.

  • Ubuntu 14.10 ,
  • 14.04 LTS,
  • 12.04

CVE ID

CVE-2014-8090


19 November 2014

Several security issues were fixed in Oxide.

  • Ubuntu 14.10 ,
  • 14.04 LTS

13 November 2014

Several security issues were fixed in QEMU.

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

11 November 2014

OpenStack Neutron would allow unintended access to configuration over the network.

  • Ubuntu 14.04 LTS

CVE ID

CVE-2014-6414


11 November 2014

OpenStack Nova could be made to expose sensitive information.

  • Ubuntu 14.04 LTS

11 November 2014

OpenStack Keystone could be made to expose sensitive information over the network.

  • Ubuntu 14.04 LTS

CVE ID

CVE-2014-3621



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