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USN-4517-1: Email-Address-List vulnerability

17 September 2020

Email-Address-List could be made to remotely exhaust resources if it received specially crafted email data.

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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.

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Releases

Packages

Details

It was discovered that Email-Address-List does not properly parse email
addresses during email-ingestion. A remote attacker could use this issue
to cause an algorithmic complexity attack, resulting in a denial of
service. (CVE-2018-18898)

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 18.04
Ubuntu 16.04

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

References