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-2016-1239 low priority: Ubuntu including 1 source packages (duck), 10 status rows across 10 suites (artful, bionic, cosmic, precise, trusty, upstream, wily, xenial, yakkety, zesty): ignored 4, DNE 2, not-affected 2, released 2.
duck before 0.10 did not properly handle loading of untrusted code from the current directory.