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-2016-6902 medium priority: Ubuntu including 1 source packages (lshell), 21 status rows across 21 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): DNE 16, ignored 3, needed 1, needs-triage 1.
lshell 0.9.16 allows remote authenticated users to break out of a limited shell and execute arbitrary commands.