TI-2018-13791 Aliases CVE-2018-19477 GHSA-fqrr-hwmj-8pj8

psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass…

MEDIUM 40CWE-704Published 2018-11-23 · Updated 2024-08-05

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Partial Red Hat: 10 fixed, 2 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-704 and the CVSS impact.

Summary

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

Why it matters now

EPSS 0.0304 87th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Partial Red Hat: 1 advisoryRed Hat: 10 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 15

CPE	Versions	Role	Vendor
cpe:2.3:a:artifex:ghostscript::::::::	before 9.26	Vulnerable	Artifex
cpe:2.3:o:debian:debian_linux:8.0:::::::*	8.0	Vulnerable	Debian
cpe:2.3:o:debian:debian_linux:9.0:::::::*	9.0	Vulnerable	Debian
cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::	14.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::	16.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::	18.04	Vulnerable	Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*	18.10	Vulnerable	Canonical
cpe:2.3:a:redhat:openshift_container_platform:3.11:::::::*	3.11	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*	7.0	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*	7.0	Vulnerable	Red Hat

cpe:2.3:a:artifex:ghostscript:*:*:*:*:*:*:*:* Versions before 9.26 Vulnerable ·Artifex
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·Red Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Show 5 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:o:redhat:enterprise_linux_server:7.6:::::::*	7.6	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*	7.6	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::*	7.6	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*	7.6	Vulnerable	Red Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*	7.0	Vulnerable	Red Hat

cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

Red Hat 1 advisory

RHSA-2019:0229 Released 2019-01-31 · Red Hat rating Important
ghostscript security and bug fix update
- Red Hat Enterprise Linux Client (v. 7) ghostscript-9.07-31.el7_6.9, ghostscript-cups-9.07-31.el7_6.9
- Red Hat Enterprise Linux Client Optional (v. 7) ghostscript-devel-9.07-31.el7_6.9, ghostscript-doc-9.07-31.el7_6.9, ghostscript-gtk-9.07-31.el7_6.9
- Red Hat Enterprise Linux ComputeNode (v. 7) ghostscript-9.07-31.el7_6.9, ghostscript-cups-9.07-31.el7_6.9
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) ghostscript-devel-9.07-31.el7_6.9, ghostscript-doc-9.07-31.el7_6.9, ghostscript-gtk-9.07-31.el7_6.9
- Red Hat Enterprise Linux Server (v. 7) ghostscript-9.07-31.el7_6.9, ghostscript-9.07-31.el7_6.9.ppc, ghostscript-cups-9.07-31.el7_6.9
- Red Hat Enterprise Linux Server Optional (v. 7) ghostscript-devel-9.07-31.el7_6.9, ghostscript-devel-9.07-31.el7_6.9.ppc, ghostscript-doc-9.07-31.el7_6.9 +1
- Red Hat Enterprise Linux Workstation (v. 7) ghostscript-9.07-31.el7_6.9, ghostscript-cups-9.07-31.el7_6.9
- Red Hat Enterprise Linux Workstation Optional (v. 7) ghostscript-devel-9.07-31.el7_6.9, ghostscript-doc-9.07-31.el7_6.9, ghostscript-gtk-9.07-31.el7_6.9
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) ghostscript-9.07-31.el7_6.9, ghostscript-cups-9.07-31.el7_6.9
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) ghostscript-devel-9.07-31.el7_6.9, ghostscript-doc-9.07-31.el7_6.9, ghostscript-gtk-9.07-31.el7_6.9

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 5	Affected	No fix planned: Will not fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux Client Optional (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux ComputeNode (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux ComputeNode Optional (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux Server (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux Server Optional (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux Workstation (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux Workstation Optional (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)	Fixed	RHSA-2019:0229
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)	Fixed	RHSA-2019:0229

Not affected: 1 product

Red Hat Enterprise Linux 8

Timeline

2026-10-02 Threatist record created from CVE-2018-19477
2026-10-03 Alias added: GHSA-fqrr-hwmj-8pj8

References

Exploit 1

https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf

Patch 1

https://bugs.ghostscript.com/show_bug.cgi?id=700168

Advisory 6

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences