filters/any-UTF8 in konwert 1.8 allows local users to delete arbitrary files via a symlink attack on a /tmp/any-##### temporary file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/44821
https://bugs.gentoo.org/show_bug.cgi?id=235770
http://www.securityfocus.com/bid/30914
http://www.openwall.com/lists/oss-security/2008/10/30/2