This is not correct: https://wiki.mozilla.org/Security/Sandbox#:~:text=Security%20Sandboxing%20makes%20use%20of,is%20common%20to%20all%20platforms.&text=The%20s

This is not correct: https://wiki.mozilla.org/Security/Sandbox#:~:text=Security%20Sandboxing%20makes%20use%20of,is%20common%20to%20all%20platforms.&text=The%20security%20aspects%20of%20a,on%20a%20per%2Dplatform%20basis https://wiki.mozilla.org/Security/Sandbox#:~:text=Security%2.... Also Chrome was caught out last year, by non other than their own ProjectZero, with a vuln in their unsecured GPU code.