Heap-based buffer overflow in Ruby 1.8, 1.9 before 1.9.3-p484, 2.0 before 2.0.0-p353, 2.1 before 2.1.0 preview2, and trunk before revision 43780 allows context-dependent attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a string that is converted to a floating point value, as demonstrated using (1) the to_f method or (2) JSON.parse.
archives.neohapsis.com/archives/bugtraq/2014-04/0134.html
archives.neohapsis.com/archives/bugtraq/2014-10/0103.html
lists.opensuse.org/opensuse-security-announce/2013-12/msg00009.html
lists.opensuse.org/opensuse-updates/2013-12/msg00027.html
lists.opensuse.org/opensuse-updates/2013-12/msg00028.html
osvdb.org/100113
rhn.redhat.com/errata/RHSA-2013-1763.html
rhn.redhat.com/errata/RHSA-2013-1764.html
rhn.redhat.com/errata/RHSA-2013-1767.html
rhn.redhat.com/errata/RHSA-2014-0011.html
rhn.redhat.com/errata/RHSA-2014-0215.html
secunia.com/advisories/55787
secunia.com/advisories/57376
www.debian.org/security/2013/dsa-2809
www.debian.org/security/2013/dsa-2810
www.securityfocus.com/bid/63873
www.ubuntu.com/usn/USN-2035-1
puppet.com/security/cve/cve-2013-4164
support.apple.com/kb/HT6536
www.ruby-lang.org/en/news/2013/11/22/heap-overflow-in-floating-point-parsing-cve-2013-4164
www.ruby-lang.org/en/news/2013/11/22/ruby-1-9-3-p484-is-released
www.ruby-lang.org/en/news/2013/11/22/ruby-2-0-0-p353-is-released