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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161 - 170 of 178 results

USN-4955-1: Please vulnerabilities

17 May 2021

Several security issues were fixed in Please.

  • Ubuntu 21.04

CVE ID

CVE-2021-31155, CVE-2021-31154, CVE-2021-31153

USN-4628-3: Intel Microcode vulnerabilities

17 May 2021

Several security issues were fixed in Intel Microcode.

  • Ubuntu 21.04 ,
  • 20.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2020-8698, CVE-2020-8696, CVE-2020-8695

USN-4952-1: MySQL vulnerabilities

12 May 2021

Several security issues were fixed in MySQL.

  • Ubuntu 21.04 ,
  • 20.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2021-2154, CVE-2021-2293, CVE-2021-2203 + 30 others

USN-4950-1: Linux kernel vulnerabilities

11 May 2021

Several security issues were fixed in the Linux kernel.

  • Ubuntu 21.04

CVE ID

CVE-2021-3489, CVE-2021-3490, CVE-2021-3491

USN-4944-1: MariaDB vulnerabilities

11 May 2021

Several security issues were fixed in MariaDB.

  • Ubuntu 21.04 ,
  • 20.10 ,
  • 20.04 LTS,
  • 18.04 LTS

USN-4943-1: XStream vulnerabilities

11 May 2021

Several security issues were fixed in XStream library.

  • Ubuntu 21.04 ,
  • 20.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2020-26258, CVE-2021-21351, CVE-2021-21342 + 11 others

USN-4942-1: Firefox vulnerability

10 May 2021

Firefox could be made to crash or run programs as your login if it opened a malicious website.

  • Ubuntu 21.04 ,
  • 20.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2021-29952

USN-4941-1: Exiv2 vulnerabilities

10 May 2021

Several security issues were fixed in Exiv2.

  • Ubuntu 21.04 ,
  • 20.10 ,
  • 20.04 LTS,
  • 18.04 LTS,
  • 16.04 LTS

CVE ID

CVE-2021-29458, CVE-2021-3482, CVE-2021-29470 + 1 other

USN-4935-1: NVIDIA graphics drivers vulnerabilities

4 May 2021

Several security issues were fixed in NVIDIA graphics drivers.

  • Ubuntu 21.04 ,
  • 20.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2021-1076, CVE-2021-1077

USN-4934-1: Exim vulnerabilities

4 May 2021

Several security issues were fixed in Exim.

  • Ubuntu 21.04 ,
  • 20.10 ,
  • 20.04 LTS,
  • 18.04 LTS

CVE ID

CVE-2020-28022, CVE-2020-28026, CVE-2020-28009 + 18 others

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