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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31 - 40 of 266 results

12 December 2023

Ghostscript could be made to crash if it wrote a TIFF file.

  • Ubuntu 23.10 ,
  • 23.04 ,
  • 22.04 LTS

11 December 2023

Python could be made to bypass security measures if it processed a malicious filename.

  • Ubuntu 23.04

11 December 2023

Several security issues were fixed in LibreOffice.

  • Ubuntu 23.10 ,
  • 23.04

11 December 2023

Several security issues were fixed in WebKitGTK.

  • Ubuntu 23.10 ,
  • 23.04 ,
  • 22.04 LTS

11 December 2023

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

  • Ubuntu 23.10 ,
  • 23.04 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS,
  • 14.04 LTS

7 December 2023

Several security issues were fixed in GNU C Library.

  • Ubuntu 23.04 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS

7 December 2023

BlueZ could be made to give a physically proximate attacker keyboard and mouse control of a computer.

  • Ubuntu 23.10 ,
  • 23.04 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS

6 December 2023

Several security issues were fixed in python-cryptography.

  • Ubuntu 23.10 ,
  • 23.04 ,
  • 22.04 LTS,
  • 20.04 LTS

6 December 2023

Several security issues were fixed in PostgreSQL.

  • Ubuntu 23.10 ,
  • 23.04 ,
  • 22.04 LTS,
  • 20.04 LTS

6 December 2023

Several security issues were fixed in curl.

  • Ubuntu 23.10 ,
  • 23.04 ,
  • 22.04 LTS,
  • 20.04 LTS


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