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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19 June 2023

Several security issues were fixed in Jettison.

  • Ubuntu 22.10 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS

19 June 2023

PyPDF2 could be made to crash if it opened a specially crafted file.

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

19 June 2023

Several security issues were fixed in QEMU.

  • Ubuntu 23.04 ,
  • 22.10 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS,
  • 14.04 LTS

15 June 2023

gsasl could possibly be made crash or expose sensitive information over the network.

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

CVE ID

CVE-2022-2469


15 June 2023

Requests could be made to expose sensitive information over the network.

  • Ubuntu 18.04 LTS,
  • 16.04 LTS

14 June 2023

pano13 could be made to crash or run programs as your login if it opened a specially crafted file.

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

13 June 2023

Node Fetch could be made to expose sensitive information if it opened a specially crafted file.

  • Ubuntu 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2022-0235


12 June 2023

SNI Proxy could be made to crash or run programs if it received specially crafted input.

  • Ubuntu 23.04 ,
  • 22.10 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS

12 June 2023

Several security issues were fixed in Vim.

  • Ubuntu 23.04 ,
  • 22.10 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS,
  • 14.04 LTS

12 June 2023

Jupyter Core could be made to run programs as your login if it opened a specially crafted file.

  • Ubuntu 22.10 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS


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