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
1091 - 1100 of 1735 results
24 October 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS
CVE ID
CVE-2023-42756, CVE-2023-5197, CVE-2023-4244 + 8 others
24 October 2023
Several security issues were fixed in FFmpeg.
- Ubuntu 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS
CVE ID
CVE-2021-38090, CVE-2021-38093, CVE-2022-48434 + 5 others
24 October 2023
Sofia-SIP could be made to crash or run programs if it received specially crafted network traffic.
- Ubuntu 23.10 ,
- 23.04 ,
- 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
20 October 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS,
- 20.04 LTS
CVE ID
CVE-2023-4921, CVE-2023-4622, CVE-2023-4244 + 8 others
19 October 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS
CVE ID
CVE-2023-38432, CVE-2023-4622, CVE-2023-20569 + 21 others
19 October 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 23.04 ,
- 22.04 LTS
CVE ID
CVE-2023-4921, CVE-2023-4622, CVE-2023-4244 + 8 others
19 October 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS
CVE ID
CVE-2023-4881, CVE-2023-5197, CVE-2023-42752 + 2 others
19 October 2023
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS
CVE ID
CVE-2023-4273, CVE-2023-4194, CVE-2023-3863 + 10 others
18 October 2023
Several security issues were fixed in VIPS.
- Ubuntu 22.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
CVE-2020-20739, CVE-2018-7998, CVE-2019-6976 + 2 others
18 October 2023
Several security issues were fixed in FRR.
- Ubuntu 23.04 ,
- 22.04 LTS,
- 20.04 LTS
CVE ID
Resources
Join the discussion
Canonical is offering
Expanded Security Maintenance
Canonical is offering Ubuntu Expanded Security Maintenance (ESM) for security fixes and essential packages.