The software developer Adobe has released an update for five vulnerabilities in s Shockwave Player to be installed in about 450 million computer s.

The update is considered critical, the most severe classification made by the company. The vulnerability affects version 11.5.1.601, as well as earlier. The company recommends that users use version 11.5.1.602 .

Four of the problems could allow an attacker to run malicious code on a computer, while the fifth condition can lead to a denial of service or denial-of-service (DoS), Adobe said in a bulletin .

Vulnerabilities in third-party applications are common targets for hackers. Errors in operating systems such as Windows became less constant, then the attackers had to look for other ways to take control of computers .

Adobe programs are common targets because they are popular. Applications such as Flash, Acrobat Reader and are often exploited to hack computers.

Recognizing the problem, Adobe announced in May it would release quarterly updates to Acrobat and Reader on the same day that Microsoft releases security patches.