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-3648-1: curl vulnerabilities

16 May 2018

Several security issues were fixed in curl.

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

CVE ID

CVE-2018-1000300, CVE-2018-1000301

USN-3647-1: poppler vulnerabilities

15 May 2018

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

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

CVE ID

CVE-2017-18267, CVE-2018-10768

USN-3646-1: PHP vulnerabilities

14 May 2018

Several security issues were fixed in PHP.

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

CVE ID

CVE-2018-10545, CVE-2018-10546, CVE-2018-10547 + 2 others

USN-3645-1: Firefox vulnerabilities

11 May 2018

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

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

CVE ID

CVE-2018-5150, CVE-2018-5151, CVE-2018-5152 + 21 others

USN-3644-1: OpenJDK 8 vulnerabilities

11 May 2018

Several security issues were fixed in OpenJDK 8.

  • Ubuntu 17.10 ,
  • 16.04 LTS

CVE ID

CVE-2018-2790, CVE-2018-2794, CVE-2018-2795 + 8 others

USN-3643-1: Wget vulnerability

9 May 2018

Wget could be made to inject arbitrary cookie values.

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

CVE ID

CVE-2018-0494

USN-3641-1: Linux kernel vulnerabilities

8 May 2018

Several security issues were fixed in the Linux kernel.

  • Ubuntu 17.10 ,
  • 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2018-1000199, CVE-2018-1087, CVE-2018-8897

USN-3640-1: WebKitGTK+ vulnerability

8 May 2018

A security issue was fixed in WebKitGTK+.

  • Ubuntu 18.04 LTS,
  • 17.10 ,
  • 16.04 LTS

CVE ID

CVE-2018-4200

USN-3639-1: LibRaw vulnerabilities

8 May 2018

Several security issues were fixed in LibRaw.

  • Ubuntu 18.04 LTS,
  • 17.10 ,
  • 16.04 LTS

CVE ID

CVE-2018-10528, CVE-2018-10529

USN-3638-1: QPDF vulnerabilities

7 May 2018

Several security issues were fixed in QPDF.

  • Ubuntu 17.10 ,
  • 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2015-9252, CVE-2017-11624, CVE-2017-11625 + 11 others

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