Many of the above bugs were detected using

AddressSanitizer

.

We’d also like to thank Drew Yao / Braden Thomas / Jim Smith (all Apple Product Security), Kostya Serebryany of the Chromium development community, Atte Kettunen of OUSPG and Bernhard Bauer of the Chromium development community for working with us during the development cycle and preventing security regressions from ever reaching the stable channel.