Here's one for the #langsec crowd. CloudFlare used a parser generator named Ragel, they didn't parse manually.
Bug was in generated code.
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Replying to @andreasdotorg
they moved to a newly written parser "cf-html" and the bug was introduced due to switching the parser https://blog.cloudflare.com/incident-report-on-memory-leak-caused-by-cloudflare-parser-bug/ …
1 reply 1 retweet 2 likes
Replying to @tomenmeta
Read it again. The bug was always there. Introducing the new parser just meant it actually disclosed interesting data.
1:27 AM - 24 Feb 2017
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