The web interface in CUPS before 2.0 does not check that files have world-readable permissions, which allows remote attackers to obtains sensitive information via unspecified vectors.
http://advisories.mageia.org/MGASA-2014-0313.html
http://rhn.redhat.com/errata/RHSA-2014-1388.html
http://secunia.com/advisories/60509
http://secunia.com/advisories/60787
http://www.debian.org/security/2014/dsa-2990
http://www.mandriva.com/security/advisories?name=MDVSA-2015:108
http://www.openwall.com/lists/oss-security/2014/07/22/13