[ruby-core:125850] [Ruby Bug#22127] parse.y regexp crash on invalid encoding

26 Jun 2026


      Issue #22127 has been updated by rwstauner (Randy Stauner).


Backport PR opened: https://github.com/ruby/ruby/pull/17510

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Bug #22127: parse.y regexp crash on invalid encoding
https://bugs.ruby-lang.org/issues/22127#change-117771

* Author: kddnewton (Kevin Newton)
* Status: Closed
* Backport: 3.3: DONTNEED, 3.4: DONTNEED, 4.0: REQUIRED
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```
./ruby --parser=parse.y -e '/#{"\xcd"}/'
```

results in a segfault


-- 
https://bugs.ruby-lang.org/