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-6751-1: Zabbix vulnerabilities

25 April 2024

Zabbix could allow reflected cross-site scripting (XSS) attacks.

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

CVE ID

CVE-2022-35230, CVE-2022-35229

USN-6744-1: Pillow vulnerability

22 April 2024

Pillow could be made to crash or run programs as an administrator if it opened a specially crafted file.

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

CVE ID

CVE-2024-28219

USN-6740-1: Linux kernel vulnerabilities

19 April 2024

Several security issues were fixed in the Linux kernel.

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

CVE ID

CVE-2024-23851, CVE-2023-51043, CVE-2023-6915 + 12 others

USN-6739-1: Linux kernel vulnerabilities

19 April 2024

Several security issues were fixed in the Linux kernel.

  • Ubuntu 16.04 LTS,
  • 14.04 LTS

CVE ID

CVE-2023-1382, CVE-2023-52445, CVE-2023-52600 + 14 others

USN-6736-1: klibc vulnerabilities

16 April 2024

Several security issues were fixed in klibc.

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

CVE ID

CVE-2018-25032, CVE-2016-9840, CVE-2022-37434 + 1 other

USN-6735-1: Node.js vulnerabilities

16 April 2024

Several security issues were fixed in Node.js.

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

CVE ID

CVE-2023-30588, CVE-2023-30589, CVE-2023-30590

USN-6730-1: Apache Maven Shared Utils vulnerability

11 April 2024

maven-shared-utils could be made to run programs if it received specially crafted input.

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

CVE ID

CVE-2022-29599

USN-6721-2: X.Org X Server regression

9 April 2024

A regression was fixed in X.Org X Server.

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

USN-6701-4: Linux kernel (Azure) vulnerabilities

9 April 2024

Several security issues were fixed in the Linux kernel.

  • Ubuntu 14.04 LTS

CVE ID

CVE-2023-3006, CVE-2023-51781, CVE-2024-24855 + 9 others

USN-6723-1: Bind vulnerabilities

9 April 2024

Bind could be made to crash if it received specially crafted input.

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

CVE ID

CVE-2023-50387, CVE-2023-50868

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