SpringSource Spring Framework 2.5.x before 2.5.6.SEC02, 2.5.7 before 2.5.7.SR01, and 3.0.x before 3.0.3 allows remote attackers to execute arbitrary code via an HTTP request containing class.classLoader.URLs[0]=jar: followed by a URL of a crafted .jar file.
https://www.tenable.com/blog/spring4shell-faq-spring-framework-remote-code-execution-vulnerability
http://www.vupen.com/english/advisories/2011/0237
http://www.securitytracker.com/id/1033898
http://www.securityfocus.com/bid/40954
http://www.redhat.com/support/errata/RHSA-2011-0175.html
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
http://secunia.com/advisories/43087
http://secunia.com/advisories/41025
http://secunia.com/advisories/41016
http://geronimo.apache.org/22x-security-report.html
http://geronimo.apache.org/21x-security-report.html
http://geronimo.apache.org/2010/07/21/apache-geronimo-v216-released.html