chm2pdf 0.9 uses temporary files in directories with fixed names, which allows local users to cause a denial of service (chm2pdf failure) of other users by creating those directories ahead of time.
bugs.debian.org/cgi-bin/bugreport.cgi?bug=501959
lists.fedoraproject.org/pipermail/package-announce/2011-January/053501.html
lists.fedoraproject.org/pipermail/package-announce/2011-January/053510.html
secunia.com/advisories/32257
secunia.com/advisories/43109
www.securityfocus.com/bid/31735
www.vupen.com/english/advisories/2011/0236
exchange.xforce.ibmcloud.com/vulnerabilities/45813
exchange.xforce.ibmcloud.com/vulnerabilities/47030