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
511 - 520 of 2300 results
22 March 2022
Several security issues were fixed in the Linux kernel.
- Ubuntu 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
CVE-2022-0435, CVE-2022-0492, CVE-2021-43976 + 3 others
17 March 2022
Several security issues were fixed in Apache HTTP Server.
- Ubuntu 16.04 LTS,
- 14.04 LTS
CVE ID
CVE-2022-22721, CVE-2022-22719, CVE-2022-23943 + 1 other
17 March 2022
Bind could be made to manipulate cache results.
- Ubuntu 16.04 LTS,
- 14.04 LTS
CVE ID
15 March 2022
OpenSSL could be made to stop responding if it opened a specially crafted certificate.
- Ubuntu 16.04 LTS,
- 14.04 LTS
CVE ID
15 March 2022
tar could be made to crash if it received specially crafted file.
- Ubuntu 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
10 March 2022
Several security issues and a regression were fixed in Expat.
- Ubuntu 21.10 ,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
9 March 2022
Several security issues were fixed in the Linux kernel.
- Ubuntu 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
24 February 2022
USN-5292-1 introduced a regression in snapd.
- Ubuntu 21.10 ,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
22 February 2022
Cyrus SASL could run programs if it received specially crafted network traffic.
- Ubuntu 16.04 LTS,
- 14.04 LTS
CVE ID
22 February 2022
Several security issues were fixed in the Linux kernel.
- Ubuntu 16.04 LTS,
- 14.04 LTS
CVE ID
CVE-2020-26558, CVE-2021-3564, CVE-2021-34693 + 10 others
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