Security advisories

CVE-2022-47524: F‑Secure Internet Security browser for Android vulnerable to an IDN Homograph attack




FIX: No user action is required. Newer version 19.2 has been released in the automatic update channel since 22nd Dec 2022..

Affected products

  • F‑Secure Internet Security Browser for Android Version 19.1 and below

Affected platforms

  • All supported platforms for the affected products

More information

F‑Secure Internet Security browser for Android is vulnerable to an IDN homo­graph attack when displaying messages containing malicious URLs. Trick that can deceive users into thinking they are visiting a legitimate web­site when in fact they are directed to a malicious homo­graph, domain name.

This issue was reported to F‑Secure through the Vulnerability Reward Program. No known exploit or attack has been seen in the wild.


F‑Secure Corporation would like to thank Rafi Andhika Galuh for bringing this issue to our attention.

Date issued: 2022-12-23