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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181 - 190 of 266 results

USN-6238-1: Samba vulnerabilities

19 July 2023

Several security issues were fixed in Samba.

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

CVE ID

CVE-2023-3347, CVE-2023-34967, CVE-2023-34968 + 2 others

USN-6237-1: curl vulnerabilities

19 July 2023

Several security issues were fixed in curl.

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

CVE ID

CVE-2023-28321, CVE-2023-28322, CVE-2023-32001

USN-6236-1: ConnMan vulnerabilities

19 July 2023

Several security issues were fixed in ConnMan.

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

CVE ID

CVE-2021-26676, CVE-2022-32293, CVE-2023-28488 + 6 others

USN-6228-1: Linux kernel vulnerabilities

13 July 2023

Several security issues were fixed in the Linux kernel.

  • Ubuntu 23.04

CVE ID

CVE-2023-2124, CVE-2023-2176

USN-6227-1: SpiderMonkey vulnerabilities

13 July 2023

Several security issues were fixed in SpiderMonkey.

  • Ubuntu 23.04 ,
  • 22.10 ,
  • 22.04 LTS

CVE ID

CVE-2023-37202, CVE-2023-37211

USN-6224-1: Linux kernel vulnerabilities

12 July 2023

Several security issues were fixed in the Linux kernel.

  • Ubuntu 23.04

CVE ID

CVE-2023-2124, CVE-2023-2176

USN-6219-1: Ruby vulnerabilities

12 July 2023

Several security issues were fixed in Ruby.

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

CVE ID

CVE-2023-36617, CVE-2023-28755

USN-6220-1: Linux kernel vulnerabilities

12 July 2023

Several security issues were fixed in the Linux kernel.

  • Ubuntu 23.04

CVE ID

CVE-2023-35788

USN-6217-1: .NET vulnerability

11 July 2023

The maximum failed attempts security feature for .NET could be bypassed.

  • Ubuntu 23.04 ,
  • 22.10 ,
  • 22.04 LTS

CVE ID

CVE-2023-33170

USN-6214-1: Thunderbird vulnerabilities

11 July 2023

Several security issues were fixed in Thunderbird.

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

CVE ID

CVE-2023-37211, CVE-2023-37201, CVE-2023-37207 + 4 others

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