Stack-based buffer overflow in shar in GNU sharutils 4.2.1 allows local users to execute arbitrary code via a long -o command line argument.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11722
https://exchange.xforce.ibmcloud.com/vulnerabilities/15759
https://bugzilla.fedora.us/show_bug.cgi?id=2155
http://www.securityfocus.com/bid/10066