Chrome 86.0.4240.111 fixes actively exploited CVE-2020-15999 zero-day

Pierluigi Paganini October 21, 2020

Google has released Chrome version 86.0.4240.111 that also addresses the CVE-2020-15999 flaw which is an actively exploited zero-day.

Google has released Chrome version 86.0.4240.111 that includes security fixes for several issues, including a patch for an actively exploited zero-day vulnerability tracked as CVE-2020-15999.

The CVE-2020-15999 flaw is a memory corruption bug that resides in the FreeType font rendering library, which is included in standard Chrome releases.

White hat hackers from the Google Project Zero team spotted attacks exploiting the vulnerability in the wild.

The researchers did not disclose technical details about the attacks exploiting the CVE-2020-15999 in the wild to avoid mass exploitation from threat actors.

Google Project Zero is recommending other app development teams who use the same FreeType library to update their software as well.

The FreeType version 2.10.4 address this issue.

Chrome users can update their install to v86.0.4240.111 via the browser’s built-in update function.

Experts pointed out that since the patch for this zero-day is visible in the source code of the FreeType open-source library, threat actors will be able to make a reverse-engineering of the code and develop working exploits for the issue.

In the recent twelve months, Google addressed another two zero-day vulnerabilities tracked as CVE-2019-13720 (Oct. 2019) and CVE-2020-6418 (Feb. 2020) respectively

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Pierluigi Paganini

(SecurityAffairs – hacking, Chrome)

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