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.
Search USNs
USN ID, name, description or CVE ID contains
991 - 1000 of 2772 results
26 April 2023
cloud-init could write sensitive information to logs.
- Ubuntu 23.04 ,
- 22.10 ,
- 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
26 April 2023
USN-6010-2 caused some minor regressions in Firefox.
- Ubuntu 20.04 LTS,
- 18.04 LTS
25 April 2023
Several security issues were fixed in OpenSSL.
- Ubuntu 23.04 ,
- 22.10 ,
- 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
25 April 2023
Several security issues were fixed in Go.
- Ubuntu 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS
CVE ID
CVE-2022-1962, CVE-2023-24538, CVE-2022-30633 + 17 others
20 April 2023
KAuth could be made to crash or run programs if it received specially crafted input.
- Ubuntu 18.04 LTS,
- 16.04 LTS
CVE ID
20 April 2023
Dnsmasq could cause transmission reliability issues when sending large DNS messages.
- Ubuntu 22.10 ,
- 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
19 April 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 18.04 LTS
CVE ID
CVE-2022-3424, CVE-2023-1074, CVE-2022-3903 + 13 others
19 April 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
CVE-2023-1074, CVE-2022-3903, CVE-2023-26545 + 2 others
19 April 2023
Several security issues were fixed in libxml2.
- Ubuntu 22.10 ,
- 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
19 April 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 20.04 LTS,
- 18.04 LTS
CVE ID
CVE-2023-1281, CVE-2022-3903, CVE-2022-3108 + 4 others
Resources
Join the discussion
Get up to 15 years of security
maintenance for your new or established systems
Get up to 15 years of security maintenance for your entire Ubuntu Archive. Keep your systems stable with security backporting and avoid forced upgrades.