1. Ubuntu Security Notices
  2. USN-4517-1

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

Publication date

17 September 2020

Overview

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

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)

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)

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
18.04 bionic libemail-address-list-perl –  0.05-1+deb9u1build0.18.04.1
16.04 xenial libemail-address-list-perl –  0.05-1+deb9u1build0.16.04.1

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References

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