USN-5136-1: Linux kernel vulnerabilities ›
09 November 2021
Several security issues were fixed in the Linux kernel.
CVE-2021-38199, CVE-2020-36322, CVE-2021-3759, and 6 others
Ubuntu Security Notices
Developers issue an Ubuntu Security Notice when a security issue is fixed in an official Ubuntu package.
To report a security vulnerability in an Ubuntu package, please contact the Security Team.
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Latest Notices
USN-5130-1: Linux kernel vulnerabilities ›
09 November 2021
Several security issues were fixed in the Linux kernel.
USN-5134-1: Docker vulnerability ›
09 November 2021
Docker could be made to expose sensitive information over the network.
USN-5135-1: Linux kernel vulnerability ›
09 November 2021
The system could be made to crash under certain conditions.
USN-5133-1: ICU vulnerability ›
04 November 2021
ICU could be made to crash if it received specially crafted input.
USN-5132-1: Thunderbird vulnerabilities ›
03 November 2021
Several security issues were fixed in Thunderbird.
CVE-2021-38500, CVE-2021-38501, CVE-2021-38496, and 3 others
USN-5131-1: Firefox vulnerabilities ›
03 November 2021
Firefox could be made to crash or run programs as your login if it opened a malicious website.
CVE-2021-38507, CVE-2021-38509, CVE-2021-38508, and 3 others
USN-5128-1: Ceph vulnerabilities ›
01 November 2021
Several security issues were fixed in Ceph.
CVE-2021-3531, CVE-2021-3524, CVE-2021-3509, and 2 others
USN-5127-1: WebKitGTK vulnerabilities ›
01 November 2021
Several security issues were fixed in WebKitGTK.
USN-5121-2: Mailman vulnerabilities ›
01 November 2021
Several security issues were fixed in Mailman.
CVE-2020-12108, CVE-2020-12137, CVE-2021-42096, and 2 others