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-6522-2: FreeRDP vulnerabilities

7 December 2023

Several security issues were fixed in FreeRDP.

  • Ubuntu 18.04 LTS

CVE ID

CVE-2023-39352, CVE-2022-41877, CVE-2023-39356

USN-6540-1: BlueZ vulnerability

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

CVE ID

CVE-2023-45866

USN-6463-2: Open VM Tools vulnerabilities

6 December 2023

Several security issues were fixed in Open VM Tools.

  • Ubuntu 18.04 LTS,
  • 16.04 LTS

CVE ID

CVE-2023-34058, CVE-2023-34059

USN-6531-1: Redis vulnerabilities

5 December 2023

Several security issues were fixed in Redis.

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

CVE ID

CVE-2023-25155, CVE-2022-36021, CVE-2022-24834 + 3 others

USN-6529-1: Request Tracker vulnerabilities

4 December 2023

Several security issues were fixed in Request Tracker.

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

CVE ID

CVE-2022-25802, CVE-2023-41260, CVE-2023-41259 + 1 other

USN-6494-2: Linux kernel vulnerabilities

30 November 2023

Several security issues were fixed in the Linux kernel.

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

CVE ID

CVE-2023-45871, CVE-2023-39194, CVE-2023-39193 + 6 others

USN-6495-2: Linux kernel vulnerabilities

30 November 2023

Several security issues were fixed in the Linux kernel.

  • Ubuntu 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2023-31085, CVE-2023-45871

USN-6528-1: OpenJDK 8 vulnerabilities

29 November 2023

Several security issues were fixed in OpenJDK.

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

CVE ID

CVE-2023-22067, CVE-2022-40433, CVE-2023-22081 + 1 other

USN-6527-1: OpenJDK vulnerabilities

29 November 2023

Several security issues were fixed in OpenJDK 17, OpenJDK 21, OpenJDK.

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

CVE ID

CVE-2023-22081, CVE-2023-22025

USN-6519-1: EC2 hibagent update

28 November 2023

A security improvement was added to EC2 hibagent.

  • Ubuntu 18.04 LTS
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