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-2018-0502 medium priority: Ubuntu including 1 source packages (zsh), 4 status rows across 4 suites (bionic, trusty, upstream, xenial): released 4.
An issue was discovered in zsh before 5.6. The beginning of a #! script file was mishandled, potentially leading to an execve call to a program named on the second line.