Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18, allows context-dependent attackers to execute arbitrary code via vectors related to the (1) gethostbyname or (2) gethostbyname2 function, aka "GHOST."
https://www.sophos.com/en-us/support/knowledgebase/121879.aspx
https://www.f-secure.com/en/web/labs_global/fsc-2015-1
https://www.arista.com/en/support/advisories-notices/security-advisories/1053-security-advisory-9
https://support.apple.com/HT205375
https://support.apple.com/HT205267
https://security.netapp.com/advisory/ntap-20150127-0001/
https://security.gentoo.org/glsa/201503-04
https://kc.mcafee.com/corporate/index?page=content&id=SB10100
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10671
https://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04874668
https://cert-portal.siemens.com/productcert/pdf/ssa-994726.pdf
https://bto.bluecoat.com/security-advisory/sa90
http://www.securitytracker.com/id/1032909
http://www.securityfocus.com/bid/91787
http://www.securityfocus.com/bid/72325
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
http://www.mandriva.com/security/advisories?name=MDVSA-2015:039
http://www.debian.org/security/2015/dsa-3142
http://www-01.ibm.com/support/docview.wss?uid=swg21696618
http://www-01.ibm.com/support/docview.wss?uid=swg21696602
http://www-01.ibm.com/support/docview.wss?uid=swg21696600
http://www-01.ibm.com/support/docview.wss?uid=swg21696526
http://www-01.ibm.com/support/docview.wss?uid=swg21696243
http://www-01.ibm.com/support/docview.wss?uid=swg21696131
http://www-01.ibm.com/support/docview.wss?uid=swg21695860
http://www-01.ibm.com/support/docview.wss?uid=swg21695835
http://www-01.ibm.com/support/docview.wss?uid=swg21695774
http://www-01.ibm.com/support/docview.wss?uid=swg21695695
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20150128-ghost
http://support.apple.com/kb/HT204942
http://secunia.com/advisories/62883
http://secunia.com/advisories/62879
http://secunia.com/advisories/62871
http://secunia.com/advisories/62870
http://secunia.com/advisories/62865
http://secunia.com/advisories/62816
http://secunia.com/advisories/62813
http://secunia.com/advisories/62812
http://secunia.com/advisories/62758
http://secunia.com/advisories/62715
http://secunia.com/advisories/62698
http://secunia.com/advisories/62692
http://secunia.com/advisories/62691
http://secunia.com/advisories/62690
http://secunia.com/advisories/62688
http://secunia.com/advisories/62681
http://secunia.com/advisories/62680
http://secunia.com/advisories/62667
http://secunia.com/advisories/62640
http://secunia.com/advisories/62517
http://seclists.org/oss-sec/2015/q1/269
http://seclists.org/fulldisclosure/2015/Jan/111
http://rhn.redhat.com/errata/RHSA-2015-0126.html
http://marc.info/?l=bugtraq&m=143145428124857&w=2
http://marc.info/?l=bugtraq&m=142781412222323&w=2
http://marc.info/?l=bugtraq&m=142722450701342&w=2
http://marc.info/?l=bugtraq&m=142721102728110&w=2
http://marc.info/?l=bugtraq&m=142296726407499&w=2
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://lists.apple.com/archives/security-announce/2015/Oct/msg00005.html
http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html
http://linux.oracle.com/errata/ELSA-2015-0092.html
http://linux.oracle.com/errata/ELSA-2015-0090.html
http://blogs.sophos.com/2015/01/29/sophos-products-and-the-ghost-vulnerability-affecting-linux/