USN-3956-1: Bind vulnerability
bind9 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.04
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Bind could be made to consume resources if it received specially crafted
network traffic.
Software Description
- 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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.04
- bind9 – 1:9.11.5.P1+dfsg-1ubuntu2.3
- Ubuntu 18.10
- bind9 – 1:9.11.4+dfsg-3ubuntu5.3
- Ubuntu 18.04 LTS
- bind9 – 1:9.11.3+dfsg-1ubuntu1.7
- Ubuntu 16.04 LTS
- bind9 – 1:9.10.3.dfsg.P4-8ubuntu1.14
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3956-1: Bind vulnerability
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