CVE-2023-45139

Advisory

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Affected package

Affected versions

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Fixed versions

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Vulnerability changelog

----------------------------

- [subset] Set up lxml ``XMLParser(resolve_entities=False)`` when parsing OT-SVG documents
to prevent XML External Entity (XXE) attacks (9f61271dc):
https://codeql.github.com/codeql-query-help/python/py-xxe/
- [varLib.iup] Added workaround for a Cython bug in ``iup_delta_optimize`` that was
leading to IUP tolerance being incorrectly initialised, resulting in sub-optimal deltas
(60126435d, cython/cython5732).
- [varLib] Added new command-line entry point ``fonttools varLib.avar`` to add an
``avar`` table to an existing VF from axes mappings in a .designspace file (0a3360e52).
- [instancer] Fixed bug whereby no longer used variation regions were not correctly pruned
after VarData optimization (3268).
- Added support for Python 3.12 (3283).

Resources

• https://pypi.org/project/fonttools
• https://data.safetycli.com/changelogs/fonttools/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-45139