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.
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USN ID, name, description or CVE ID contains
1 - 10 of 11526 results
3 November 2026
Several security issues were fixed in libvips.
- Ubuntu 26.04 LTS,
- 24.04 LTS,
- 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
CVE-2026-33327, CVE-2026-35590, CVE-2025-59933 + 6 others
3 November 2026
SOGo could allow unintended access to user accounts.
- Ubuntu 26.04 LTS
CVE ID
3 November 2026
Shapelib could be made to crash or run programs as your login if it opened a specially crafted file.
- Ubuntu 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
3 November 2026
rxvt-unicode could be made to run programs as your login if it received specially crafted input.
- Ubuntu 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
3 November 2026
Sprockets would allow unintended access to files over the network.
- Ubuntu 16.04 LTS
CVE ID
3 November 2026
Relax-and-Recover could be made to expose sensitive information.
- Ubuntu 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS
CVE ID
3 November 2026
Several security issues were fixed in libuser.
- Ubuntu 16.04 LTS
CVE ID
3 November 2026
Swift Mailer could be made to run programs if it received specially crafted input.
- Ubuntu 16.04 LTS
CVE ID
3 November 2026
Net::EasyTCP could be made to expose sensitive information over the network.
- Ubuntu 24.04 LTS,
- 22.04 LTS,
- 20.04 LTS,
- 18.04 LTS,
- 16.04 LTS
CVE ID
3 November 2026
jabberd2 could allow unintended access to network services.
- Ubuntu 16.04 LTS
CVE ID
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