When str.lower() is a security vulnerability in Python – Seth Larson
https://sethmlarson.dev/when-str-lower-is-a-security-vulnerability
sethmlarson.dev
When str.lower() is a security vulnerability in Python
Some internet standards only support ASCII characters, but the world uses
much more than the Latin alphabet. Thus, a mapping from Unicode to
ASCII for use in domain names is required.
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August 25, 2026 38 2
