Google’s latest stable channel update for the Chrome browser on Windows, Mac and Linux desktop machines includes fixes for 53 security issues, including three high-severity vulnerabilities.

Issued on Jan. 24, Chrome 64.0.3282.119 addresses, among other bugs, CVE-2018-6031, a use-after-free flaw in the PDF software library PDFium; CVE-2018-6032, a same origin bypass error in Shared Worker; and CVE-2018-6033, a race condition vulnerability when opening downloaded files.

Additionally, the release includes additional protections against speculative side-channel attack techniques that exploit the CPU vulnerabilities known as Spectre and Meltdown.