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-2017-16611 medium priority: Ubuntu including 3 source packages (libxfont, libxfont1, libxfont2), 15 status rows across 5 suites (artful, trusty, upstream, xenial, zesty): released 10, DNE 5.
In libXfont before 1.5.4 and libXfont2 before 2.0.3, a local attacker can open (but not read) files on the system as root, triggering tape rewinds, watchdogs, or similar mechanisms that can be triggered by opening files.