Is CVE-2018-19477 being actively exploited?

CVE-2018-19477 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2018-19477?

CVE-2018-19477 has a CVSS 3.0 base score of 7.8 (HIGH).

CVE-2018-19477

HIGH · CVSS 7.8EPSS 3.0%EU EUVD

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

Key facts

CVSS score: 7.8 (v3.0)
Severity: HIGH
CVSS vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-704
EPSS score: 3.0% (87th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2018-11166)
Published: November 23, 2018
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-11166 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

artifex / ghostscript
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
redhat / enterprise linux desktop
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server eus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
redhat / openshift container platform

Certified products that may be affected

2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 7 OpenSSH Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 3891 - historical
Red Hat Enterprise Linux 7.6 - Red Hat, Inc. - Common Criteria CCEVS-VR-VID-11039-2020 - archived

References

http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb
http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
http://www.securityfocus.com/bid/106154(Third Party Advisory, VDB Entry)
https://access.redhat.com/errata/RHBA-2019:0327(Third Party Advisory)
https://access.redhat.com/errata/RHSA-2019:0229(Third Party Advisory)
https://bugs.ghostscript.com/show_bug.cgi?id=700168(Issue Tracking, Patch, Vendor Advisory)
https://lists.debian.org/debian-lts-announce/2018/11/msg00036.html(Mailing List, Third Party Advisory)
https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf(Exploit, Mitigation, Third Party Advisory)
https://usn.ubuntu.com/3831-1/(Third Party Advisory)
https://www.debian.org/security/2018/dsa-4346(Third Party Advisory)
https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26(Release Notes, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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