lharc.c in lha does not securely create temporary files, which might allow local users to read or write files by creating a file before LHA is invoked.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34063
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=236585
http://www.securityfocus.com/bid/24336
http://www.mandriva.com/security/advisories?name=MDKSA-2007:117