USN-4979-1: Linux kernel vulnerabilities ›
04 June 2021
Several security issues were fixed in the Linux kernel.
CVE-2021-31916, CVE-2021-3428, CVE-2020-25670, and 10 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-4983-1: Linux kernel (OEM) vulnerabilities ›
03 June 2021
Several security issues were fixed in the Linux kernel.
CVE-2021-29155, CVE-2021-3501, CVE-2021-31829, and 1 other
USN-4981-1: Squid vulnerabilities ›
03 June 2021
Several security issues were fixed in Squid.
CVE-2021-28651, CVE-2021-28652, CVE-2021-31806, and 4 others
USN-4980-1: polkit vulnerability ›
03 June 2021
The system could be made to run programs as an administrator.
USN-4977-1: Linux kernel vulnerabilities ›
03 June 2021
Several security issues were fixed in the Linux kernel.
CVE-2020-25673, CVE-2021-3501, CVE-2021-29155, and 3 others
USN-4978-1: Firefox vulnerabilities ›
02 June 2021
Firefox could be made to crash or run programs as your login if it opened a malicious website.
CVE-2021-29960, CVE-2021-29959, CVE-2021-29961, and 2 others
USN-4976-1: Dnsmasq vulnerability ›
02 June 2021
Dnsmasq could be exposed to cache poisoning.
USN-4975-1: Django vulnerabilities ›
02 June 2021
Several security issues were fixed in Django.
USN-4974-1: Lasso vulnerability ›
02 June 2021
Applications using Lasso could be made to allow unintended access.
USN-4973-1: Python vulnerability ›
01 June 2021
Python could allow unintended access to network services.