crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.
cvs.openssl.org/chngview?cn=21349
lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
lists.fedoraproject.org/pipermail/package-announce/2011-September/065712.html
lists.fedoraproject.org/pipermail/package-announce/2011-September/065744.html
lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html
marc.info/?l=bugtraq&m=133226187115472&w=2
openssl.org/news/secadv_20110906.txt
secunia.com/advisories/45956
secunia.com/advisories/57353
support.apple.com/kb/HT5784
www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
www.mandriva.com/security/advisories?name=MDVSA-2011:137
www.redhat.com/support/errata/RHSA-2011-1409.html
www.securitytracker.com/id?1026012
bugzilla.redhat.com/show_bug.cgi?id=736087