CVE-2012-5499
python_scripts.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to cause a denial of service (memory consumption) via a large value, related to formatColumns.
Date published : 2014-09-30
https://github.com/plone/Products.CMFPlone/blob/4.2.3/docs/CHANGES.txt