thttpd.c in sthttpd before 2.26.4-r2 and thttpd 2.25b use world-readable permissions for /var/log/thttpd.log, which allows local users to obtain sensitive information by reading the file.
https://bugzilla.redhat.com/show_bug.cgi?id=924857
https://bugs.gentoo.org/show_bug.cgi?id=458896
http://www.openwall.com/lists/oss-security/2013/02/23/7
http://lists.opensuse.org/opensuse-updates/2014-01/msg00015.html
http://lists.opensuse.org/opensuse-updates/2013-12/msg00050.html