The JNLP SecurityManager in IcedTea (IcedTea.so) 1.7 before 1.7.7, 1.8 before 1.8.4, and 1.9 before 1.9.4 for Java OpenJDK returns from the checkPermission method instead of throwing an exception in certain circumstances, which might allow context-dependent attackers to bypass the intended security policy by creating instances of ClassLoader.
https://exchange.xforce.ibmcloud.com/vulnerabilities/64893
https://bugzilla.redhat.com/show_bug.cgi?id=663680
http://www.zerodayinitiative.com/advisories/ZDI-11-014/
http://www.vupen.com/english/advisories/2011/0239
http://www.vupen.com/english/advisories/2011/0215
http://www.vupen.com/english/advisories/2011/0166
http://www.vupen.com/english/advisories/2011/0165
http://www.ubuntu.com/usn/USN-1055-1
http://www.ubuntu.com/usn/USN-1052-1
http://www.securityfocus.com/bid/45894
http://www.redhat.com/support/errata/RHSA-2011-0176.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:054
http://www.debian.org/security/2011/dsa-2224
http://security.gentoo.org/glsa/glsa-201406-32.xml
http://secunia.com/advisories/43135
http://secunia.com/advisories/43085
http://secunia.com/advisories/43078
http://secunia.com/advisories/43002
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053288.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053276.html
http://blog.fuseyism.com/index.php/2011/01/18/security-icedtea6-177-184-194-released/