1. Ubuntu Security Notices
  2. USN-3956-1

USN-3956-1: Bind vulnerability

Publication date

25 April 2019

Overview

Bind could be made to consume resources if it received specially crafted network traffic.

Releases

Packages

  • bind9 - Internet Domain Name Server

Details

It was discovered that Bind incorrectly handled limiting the number of
simultaneous TCP clients. A remote attacker could possibly use this issue
to cause Bind to consume resources, leading to a denial of service.

It was discovered that Bind incorrectly handled limiting the number of
simultaneous TCP clients. A remote attacker could possibly use this issue
to cause Bind to consume resources, leading to a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
19.04 disco bind9 –  1:9.11.5.P1+dfsg-1ubuntu2.3
18.10 cosmic bind9 –  1:9.11.4+dfsg-3ubuntu5.3
18.04 bionic bind9 –  1:9.11.3+dfsg-1ubuntu1.7
16.04 xenial bind9 –  1:9.10.3.dfsg.P4-8ubuntu1.14

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References

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