A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
SquirrelMail could be made to crash if it received specially crafted
- squirrelmail: Webmail for nuts
It was discovered that a cross-site scripting (XSS) vulnerability in
SquirrelMail allows remote attackers to use malicious script content from
HTML e-mail to execute code and/or provoke a denial of service.
The problem can be corrected by updating your system to the following