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USN-3973-1: DHCP vulnerability

13 May 2019

DHCP could be made to crash if it received specially crafted network traffic.

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Releases

Packages

Details

It was discovered that DHCP, when built with a mismatched external BIND
library, incorrectly handled certain memory operations. A remote attacker
could possibly use this issue to cause DHCP to crash, resulting in a
denial of service.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.10
Ubuntu 18.04

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

References

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Further reading