Products.CMFCore are the key framework services for the Zope Content Management Framework (CMF). The use of Python's marshal module to handle unchecked input in a public method on `PortalFolder` objects can lead to an unauthenticated denial of service and crash situation. The code in question is exposed by all portal software built on top of `Products.CMFCore`, such as Plone. All deployments are vulnerable. The code has been fixed in `Products.CMFCore` version 3.2.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| Products.CMFCore(PyPI) | 3.0 | 3.2 | N/A |
| Products.CMFCore(PyPI) | 0 | 2.7.1 | N/A |
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