CVE-2018-16540: Artifex Ghostscript

High severity, CVSS 7.8. EPSS: 1.6% chance of exploitation in the next 30 days.

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files to the builtin PDF14 converter could use a use-after-free in copydevice handling to crash the interpreter or possibly have unspecified other impact.

Affected products

  • Artifex Ghostscript: before 9.24 (fixed in 9.24)
  • Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only
  • Debian Debian Linux: version 8.0 only; version 9.0 only
  • Red Hat Enterprise Linux: version 7.0 only
  • Red Hat Enterprise Linux Desktop: version 7.0 only
  • Red Hat Enterprise Linux Server: version 7.0 only; version 7.6 only
  • Red Hat Enterprise Linux Server Aus: version 7.6 only
  • Red Hat Enterprise Linux Server Eus: version 7.5 only; version 7.6 only
  • Red Hat Enterprise Linux Server Tus: version 7.6 only
  • Red Hat Enterprise Linux Workstation: version 7.0 only
  • Red Hat Openshift Container Platform: version 3.11 only

Published 2018-09-05. Last modified 2026-06-17.