CVE-2018-19477: Artifex Ghostscript

High severity, CVSS 7.8. EPSS: 3% chance of exploitation in the next 30 days.

psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.

Affected products

• Artifex 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
• 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 7.6 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 2018-11-23. Last modified 2026-06-17.