There is a new MEDIUM severity vulnerability affecting CPython.
The Python standard library functions `urllib.parse.urlsplit` and
`urlparse` accepted domain names that included square brackets which isn't
valid according to RFC 3986. Square brackets are only meant to be used as
delimiters for specifying IPv6 and IPvFuture hosts in URLs. This could
result in differential parsing across the Python URL parser and other
specification-compliant URL parsers.
Please see the linked CVE ID for the …
[View More]latest information on affected
versions:
* https://www.cve.org/CVERecord?id=CVE-2025-0938
* https://github.com/python/cpython/pull/129418
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