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
1361 - 1370 of 2918 results
22 April 2021
USN-4916-1 introduced a regression in the Linux kernel.
- Ubuntu 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
20 April 2021
Ruby incorrectly handled XML documents.
- Ubuntu 20.10 ,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
20 April 2021
libcaca could be made to execute arbitrary code if it received a specially crafted image.
- Ubuntu 20.10 ,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
19 April 2021
OpenSLP could be made to crash or run programs as your login if it received specially crafted network traffic.
- Ubuntu 16.04 LTS,
- 14.04 LTS
CVE ID
19 April 2021
Several security issues were fixed in ClamAV.
- Ubuntu 20.10 ,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
15 April 2021
Several security issues were fixed in the Linux kernel.
- Ubuntu 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
14 April 2021
Underscore could be made to inject arbitrary code if it received a specially crafted input.
- Ubuntu 20.10 ,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
13 April 2021
Several security issues were fixed in the Linux kernel.
- Ubuntu 18.04 LTS,
- 16.04 LTS,
- 14.04 LTS
CVE ID
13 April 2021
Nettle could be made to crash or bypass signature verification if it opened a specially crafted certificate.
- Ubuntu 20.10 ,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
13 April 2021
Several security issues were fixed in the Linux kernel.
- Ubuntu 16.04 LTS,
- 14.04 LTS
CVE ID
CVE-2017-16644, CVE-2019-16231, CVE-2021-26930 + 8 others
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