mod_ssl in Apache 2.0 up to 2.0.55, when configured with an SSL vhost with access control and a custom error 400 error page, allows remote attackers to cause a denial of service (application crash) via a non-SSL request to an SSL port, which triggers a NULL pointer dereference.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11467
https://lists.opensuse.org/opensuse-security-announce/2006-09/msg00016.html
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=3117
http://www.vupen.com/english/advisories/2008/1697
http://www.vupen.com/english/advisories/2008/1246/references
http://www.vupen.com/english/advisories/2006/4868
http://www.vupen.com/english/advisories/2006/4300
http://www.vupen.com/english/advisories/2006/4207
http://www.vupen.com/english/advisories/2006/3995
http://www.vupen.com/english/advisories/2006/3920
http://www.vupen.com/english/advisories/2006/0056
http://www.us-cert.gov/cas/techalerts/TA08-150A.html
http://www.ubuntulinux.org/usn/usn-241-1
http://www.trustix.org/errata/2005/0074/
http://www.securityfocus.com/bid/16152
http://www.securityfocus.com/archive/1/450315/100/0/threaded
http://www.securityfocus.com/archive/1/445206/100/0/threaded
http://www.securityfocus.com/archive/1/425399/100/0/threaded
http://www.redhat.com/archives/fedora-announce-list/2006-January/msg00060.html
http://www.gentoo.org/security/en/glsa/glsa-200602-03.xml
http://svn.apache.org/viewcvs?rev=358026&view=rev
http://support.avaya.com/elmodocs2/security/ASA-2006-250.htm
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102662-1
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102640-1
http://securitytracker.com/id?1015447
http://secunia.com/advisories/30430
http://secunia.com/advisories/29849
http://secunia.com/advisories/23260
http://secunia.com/advisories/22992
http://secunia.com/advisories/22669
http://secunia.com/advisories/22523
http://secunia.com/advisories/22368
http://secunia.com/advisories/22233
http://secunia.com/advisories/21848
http://secunia.com/advisories/19012
http://secunia.com/advisories/18743
http://secunia.com/advisories/18585
http://secunia.com/advisories/18517
http://secunia.com/advisories/18429
http://secunia.com/advisories/18340
http://secunia.com/advisories/18339
http://secunia.com/advisories/18333
http://secunia.com/advisories/18307
http://rhn.redhat.com/errata/RHSA-2006-0159.html
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://lists.suse.de/archive/suse-security-announce/2006-Feb/0008.html
http://lists.apple.com/archives/security-announce/2008//May/msg00001.html
http://issues.apache.org/bugzilla/show_bug.cgi?id=37791
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01428449