View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2016-8738 medium priority: Ubuntu including 1 source packages (libstruts1.2-java), 7 status rows across 7 suites (artful, bionic, cosmic, trusty, upstream, xenial, zesty): DNE 6, needs-triage 1.
In Apache Struts 2.5 through 2.5.5, if an application allows entering a URL in a form field and the built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL.