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-6843-1: Plasma Workspace vulnerability

26 June 2024

plasma-workspace would allow unintended access to the session manager.

  • Ubuntu 24.04 LTS,
  • 23.10 ,
  • 22.04 LTS,
  • 20.04 LTS

CVE ID

CVE-2024-36041

USN-6746-2: Google Guest Agent and Google OS Config Agent vulnerability

25 June 2024

Google Guest Agent and OS Config Agent could be made to crash if it open a specially crafted JSON.

  • Ubuntu 24.04 LTS

CVE ID

CVE-2024-24786

USN-6844-1: CUPS vulnerability

24 June 2024

CUPS could be made to arbitrary chmod paths with specially crafted configuration file.

  • Ubuntu 24.04 LTS,
  • 23.10 ,
  • 22.04 LTS,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS

CVE ID

CVE-2024-35235

USN-6841-1: PHP vulnerability

19 June 2024

PHP could be made to accept invalid URLs.

  • Ubuntu 24.04 LTS,
  • 23.10 ,
  • 22.04 LTS,
  • 20.04 LTS

USN-6839-1: MariaDB vulnerability

19 June 2024

A security issue was fixed in MariaDB

  • Ubuntu 24.04 LTS,
  • 23.10 ,
  • 22.04 LTS

CVE ID

CVE-2024-21096

USN-6835-1: Ghostscript vulnerabilities

17 June 2024

Several security issues were fixed in Ghostscript.

  • Ubuntu 24.04 LTS,
  • 23.10 ,
  • 22.04 LTS,
  • 20.04 LTS

CVE ID

CVE-2024-33871, CVE-2024-33870, CVE-2023-52722 + 2 others

USN-6838-1: Ruby vulnerabilities

17 June 2024

Several security issues were fixed in Ruby.

  • Ubuntu 24.04 LTS,
  • 23.10 ,
  • 22.04 LTS,
  • 20.04 LTS

CVE ID

CVE-2024-27282, CVE-2024-27281

USN-6837-1: Rack vulnerabilities

17 June 2024

Several security issues were fixed in Rack.

  • Ubuntu 24.04 LTS,
  • 23.10

CVE ID

CVE-2024-25126, CVE-2024-26141, CVE-2023-27530 + 1 other

USN-6836-1: SSSD vulnerability

17 June 2024

SSSD did not always correctly apply the GPO policy.

  • Ubuntu 24.04 LTS,
  • 23.10 ,
  • 22.04 LTS,
  • 20.04 LTS

CVE ID

CVE-2023-3758

USN-6817-3: Linux kernel vulnerabilities

14 June 2024

Several security issues were fixed in the Linux kernel.

  • Ubuntu 24.04 LTS

CVE ID

CVE-2024-26978, CVE-2024-35829, CVE-2024-27390 + 217 others

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