A lack of CORS checks, after a Service Worker redirected to a cross-origin PDF, in Service Worker in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to leak limited cross-origin data via a crafted HTML page.

An iterator-invalidation bug in PDFium in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file.

A use-after-free in WebAssembly in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

A double-eviction in the Incognito mode cache that lead to a user-after-free in Networking Disk Cache in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to execute arbitrary code via a crafted HTML page.

Re-entry of a destructor in Networking Disk Cache in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to execute arbitrary code via a crafted HTML page.

Insufficiently sanitized distributed objects in Updater in Google Chrome on macOS prior to 66.0.3359.117 allowed a local attacker to execute arbitrary code via an executable file.