The default configuration for bccache.FileSystemBytecodeCache in Jinja2 before 2.7.2 does not properly create temporary files, which allows local users to gain privileges via a crafted .cache file with a name starting with __jinja2_ in /tmp.
https://oss.oracle.com/pipermail/el-errata/2014-June/004192.html
https://bugzilla.redhat.com/show_bug.cgi?id=1051421
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=734747
http://www.mandriva.com/security/advisories?name=MDVSA-2014:096
http://www.gentoo.org/security/en/glsa/glsa-201408-13.xml
http://secunia.com/advisories/60770
http://secunia.com/advisories/60738
http://secunia.com/advisories/59017
http://secunia.com/advisories/58918
http://secunia.com/advisories/58783
http://secunia.com/advisories/56287
http://rhn.redhat.com/errata/RHSA-2014-0748.html
http://rhn.redhat.com/errata/RHSA-2014-0747.html
http://openwall.com/lists/oss-security/2014/01/10/3
http://openwall.com/lists/oss-security/2014/01/10/2