Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file.
https://puppet.com/security/cve/cve-2014-2525
http://www.ubuntu.com/usn/USN-2160-1
http://www.securityfocus.com/bid/66478
http://www.ocert.org/advisories/ocert-2014-003.html
http://www.mandriva.com/security/advisories?name=MDVSA-2015:060
http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
http://www.debian.org/security/2014/dsa-2885
http://www.debian.org/security/2014/dsa-2884
http://support.apple.com/kb/HT6443
http://secunia.com/advisories/57968
http://secunia.com/advisories/57966
http://secunia.com/advisories/57836
http://rhn.redhat.com/errata/RHSA-2014-0355.html
http://rhn.redhat.com/errata/RHSA-2014-0354.html
http://rhn.redhat.com/errata/RHSA-2014-0353.html
http://lists.opensuse.org/opensuse-updates/2016-04/msg00050.html
http://lists.opensuse.org/opensuse-updates/2015-02/msg00078.html
http://lists.opensuse.org/opensuse-updates/2014-04/msg00022.html