New submission from STINNER Victor <vstin...@python.org>:

The XML documentation starts with a red warning:

"Warning: The XML modules are not secure against erroneous or maliciously 
constructed data. If you need to parse untrusted or unauthenticated data see 
the XML vulnerabilities and The defusedxml Package sections. "
https://docs.python.org/dev/library/xml.html

I suggest to add the same warning to the plistlib library which uses the XML 
parser internally to handle XML files.

----------
components: Library (Lib)
messages: 378707
nosy: vstinner
priority: normal
severity: normal
status: open
title: plistlib inherits XML vulnerabilities: we should document them
type: security
versions: Python 3.10, Python 3.8, Python 3.9

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue42051>
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