Yandex Browser installer for Desktop before 17.4.1 has a DLL Hijacking Vulnerability because an untrusted search path is used for dnsapi.dll, winmm.dll, ntmarta.dll, cryptbase.dll or profapi.dll.
Yandex Browser for desktop before 17.1.1.227 does not show Protect (similar to Safebrowsing in Chromium) warnings in web-sites with special content-type, which could be used by remote attacker for prevention Protect warning on own malicious web-site.