Sendmail decode alias can be used to overwrite sensitive files.
http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/122&type=0&nav=sec.sba
Source: Mitre, NVD
Published: 1996-12-10
Updated: 2008-09-09
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 9.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: Critical