Following "Security Affairs" https://securityaffairs.co/wordpress/75222/hacking/kaspersky-vpn-flaw.html
Seriously, DNS leaks are so common with VPN clients that "discovered a bug" seems like over-the-top hype
DNS Leak Fixed in Kaspersky VPN App for Android https://www.bleepingcomputer.com/news/security/dns-leak-fixed-in-kaspersky-vpn-app-for-android/