It is based on a very old version of Mozilla Firefox (Firefox 42), which lacks years of critical security patches.
Comodo IceDragon was a free web browser developed by the Comodo Group, a company best known for its firewall and antivirus solutions. Unlike Comodo’s Chromium-based Dragon browser, IceDragon was built on . The goal was simple: take the flexibility and rendering engine of Firefox and harden it with Comodo’s proprietary security features. comodo icedragon 42.0.0.25
Modern exploits can easily target unpatched browsers, leaving your personal data at risk. It is based on a very old version