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Ubuntu 20.04 LTS: USN-4468-1 Critical: Bind Denial Of Service Risks

ubuntu
Calendar Grey August 21, 2020
Dist Ubuntu Esm H88
A new security advisory for Ubuntu highlights vulnerabilities in bind9 affecting multiple LTS releases and provides effective measures for remediation
Several security issues were fixed in Bind.

Summary

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu update instructions bind9 TCP payloads update severity

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: bind9 1:9.16.1-0ubuntu2.3 Ubuntu 18.04 LTS: bind9 1:9.11.3+dfsg-1ubuntu1.13 Ubuntu 16.04 LTS: bind9 1:9.10.3.dfsg.P4-8ubuntu1.17 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4468-1

CVE-2020-8620, CVE-2020-8621, CVE-2020-8622, CVE-2020-8623,

CVE-2020-8624

Severity
critical
Lowest
Low
Medium
High
Critical

August 21, 2020

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu update instructions bind9 TCP payloads update severity

Package Information

https://launchpad.net/ubuntu/+source/bind9/1:9.16.1-0ubuntu2.3 https://launchpad.net/ubuntu/+source/bind9/1:9.11.3+dfsg-1ubuntu1.13 https://launchpad.net/ubuntu/+source/bind9/1:9.10.3.dfsg.P4-8ubuntu1.17

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