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-2018-5207 medium priority: Ubuntu including 1 source packages (irssi), 5 status rows across 5 suites (artful, trusty, upstream, xenial, zesty): released 4, needs-triage 1.
When using an incomplete variable argument, Irssi before 1.0.6 may access data beyond the end of the string.