[pjmlp]

According to Google's security team 68% of exploits in Linux are due to memory corruption. Source, their keynote at Linux Kernel Summit 2018.

Check DoD security assement of Multics versus UNIX regarding ease of security exploits, and how using PL/I prevented the large majority of them. On the mobile now, the document is accessible at the Multics history site.

Or any deployment of High Integrity Computing OSes for that matter.

[shaklee3]

You could also say freebsd has far, far fewer memory corruption bugs. Is that the language, the small user base, or something else?