CVE-2018-18284: Artifex Ghostscript

High severity, CVSS 8.6. EPSS: 16.3% chance of exploitation in the next 30 days.

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving the 1Policy operator.

Affected products

• Artifex Ghostscript: up to and including 9.25
• Artifex Gpl Ghostscript: before 9.26 (fixed in 9.26)
• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Debian Debian Linux: version 8.0 only; version 9.0 only
• Pulse Secure Pulse Connect Secure: from 8.2r1.0, before 8.2r12.1 (fixed in 8.2r12.1); from 8.3r1, before 8.3r7.1 (fixed in 8.3r7.1); from 9.0r1, before 9.0r3.4 (fixed in 9.0r3.4)
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.6 only
• Red Hat Enterprise Linux Server Eus: version 7.6 only
• Red Hat Enterprise Linux Server Tus: version 7.6 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2018-10-19. Last modified 2026-06-17.