USN-4680-1: Linux kernel vulnerabilities ›
06 January 2021
Several security issues were fixed in the Linux kernel.
CVE-2020-0423, CVE-2020-28974, CVE-2020-25656, 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-4681-1: Linux kernel vulnerabilities ›
06 January 2021
Several security issues were fixed in the Linux kernel.
CVE-2020-25668, CVE-2020-4788, CVE-2019-0148, and 3 others
USN-4679-1: Linux kernel vulnerabilities ›
06 January 2021
Several security issues were fixed in the Linux kernel.
CVE-2020-28974, CVE-2020-25656, CVE-2020-25704, and 3 others
USN-4677-1: p11-kit vulnerabilities ›
05 January 2021
Several security issues were fixed in p11-kit.
USN-4676-1: OpenEXR vulnerabilities ›
05 January 2021
Several security issues were fixed in OpenEXR.
USN-4675-1: OpenStack Horizon vulnerability ›
05 January 2021
OpenStack Horizon could be made to redirect to a malicious URL.
USN-4674-2: Dovecot vulnerability ›
04 January 2021
Dovecot could be made to denial of service if it received a specially crafted MIME.
USN-4674-1: Dovecot vulnerabilities ›
04 January 2021
Several security issues were fixed in Dovecot.
USN-4668-3: python-apt regression ›
04 January 2021
USN-4668-1 introduced a regression in python-apt.
USN-4673-1: libproxy vulnerability ›
04 January 2021
libproxy could be made to crash or execute arbitrary code if it received a specially crafted file.