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-2017-8891 low priority: Ubuntu including 1 source packages (lepton), 8 status rows across 8 suites (artful, bionic, cosmic, trusty, upstream, xenial, yakkety, zesty): ignored 3, DNE 2, not-affected 2, released 1.
Dropbox Lepton 1.2.1 allows DoS (SEGV and application crash) via a malformed lepton file because the code does not ensure setup of a correct number of threads.