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
41 - 50 of 1518 results
24 April 2025
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS,
- 20.04 LTS
CVE ID
CVE-2025-21703, CVE-2025-21700, CVE-2024-50256 + 9 others
23 April 2025
Several security issues were fixed in libarchive.
- Ubuntu 25.04 ,
- 24.10 ,
- 24.04 LTS,
- 22.04 LTS,
- 20.04 LTS
CVE ID
23 April 2025
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS
CVE ID
CVE-2024-53047, CVE-2024-50270, CVE-2024-56724 + 457 others
23 April 2025
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS
CVE ID
CVE-2024-53083, CVE-2024-53134, CVE-2024-41932 + 574 others
23 April 2025
Several security issues were fixed in the Linux kernel.
- Ubuntu 24.04 LTS,
- 22.04 LTS
CVE ID
CVE-2024-53047, CVE-2024-50270, CVE-2024-56724 + 458 others
23 April 2025
mod_auth_openidc could be made to expose sensitive information over the network.
- Ubuntu 25.04 ,
- 24.10 ,
- 24.04 LTS,
- 22.04 LTS
CVE ID
23 April 2025
Yelp could be made to expose sensitive information over the network.
- Ubuntu 25.04 ,
- 24.10 ,
- 24.04 LTS,
- 22.04 LTS,
- 20.04 LTS
CVE ID
22 April 2025
Several security issues were fixed in the Linux kernel.
- Ubuntu 22.04 LTS
CVE ID
CVE-2024-53140, CVE-2024-56598, CVE-2024-53063 + 5 others
22 April 2025
Several security issues were fixed in Synapse.
- Ubuntu 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS
CVE ID
CVE-2023-41335, CVE-2023-32683, CVE-2023-43796 + 5 others
17 April 2025
Erlang could be made to run programs if it received specially crafted network traffic.
- Ubuntu 24.10 ,
- 24.04 LTS,
- 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.