OpenSSL before 0.9.8m does not check for a NULL return value from bn_wexpand function calls in (1) crypto/bn/bn_div.c, (2) crypto/bn/bn_gf2m.c, (3) crypto/ec/ec2_smpl.c, and (4) engines/e_ubsec.c, which has unspecified impact and context-dependent attack vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9790
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6640
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11738
https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000102.html
https://lists.balabit.com/pipermail/syslog-ng-announce/2011-January/000101.html
https://kb.bluecoat.com/index?page=content&id=SA50
http://www.vupen.com/english/advisories/2010/1216
http://www.vupen.com/english/advisories/2010/0933
http://www.vupen.com/english/advisories/2010/0916
http://www.vupen.com/english/advisories/2010/0839
http://www.ubuntu.com/usn/USN-1003-1
http://www.securityfocus.com/bid/38562
http://www.redhat.com/support/errata/RHSA-2011-0896.html
http://www.redhat.com/support/errata/RHSA-2010-0977.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:076
http://support.apple.com/kb/HT4723
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.663049
http://secunia.com/advisories/42733
http://secunia.com/advisories/42724
http://secunia.com/advisories/39932
http://secunia.com/advisories/39461
http://secunia.com/advisories/38761
http://secunia.com/advisories/37291
http://packetstormsecurity.com/files/153392/ABB-HMI-Outdated-Software-Components.html
http://marc.info/?l=openssl-cvs&m=126692180606861&w=2
http://marc.info/?l=openssl-cvs&m=126692170906712&w=2
http://marc.info/?l=openssl-cvs&m=126692159706582&w=2
http://marc.info/?l=bugtraq&m=127678688104458&w=2
http://marc.info/?l=bugtraq&m=127128920008563&w=2
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-April/039561.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-April/038587.html
http://lists.apple.com/archives/security-announce/2011//Jun/msg00000.html
http://aix.software.ibm.com/aix/efixes/security/openssl_advisory.asc