In response to this incident Cloudflare has made big engineering changes, including huge work to move away from C as much as possible. The offending parsers we

In response to this incident Cloudflare has made big engineering changes, including huge work to move away from C as much as possible. The offending parsers were rewritten in Rust (https://github.com/cloudflare/lol-html https://github.com/cloudflare/lol-html), as well as WAF, image optimization, and a few others. Nginx is being replaced with a custom cache server. New implementations are using either the Workers platform, or are written in Rust or Golang.