Incomplete Fix for CVE-2014-1402: Privilege Escalation via FileSystemBytecodeCache in Jinja2 2.7.2

CVE-2014-0012

FileSystemBytecodeCache in Jinja2 2.7.2 does not properly create temporary directories, which allows local users to gain privileges by pre-creating a temporary directory with a user's uid. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-1402.

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