High severity · published Nov 23, 2018
CVE-2018-19477
psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion
7.8
CVSS
3%
EPSS
No
On KEV
Description
psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0; 7.6 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
GH
Ghostscript · Artifex
before 9.26 · source: NVD
OC
Openshift Container Platform · Redhat
3.11 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19477
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19477
git.ghostscript.com
http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb
git.ghostscript.com
http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
Third Party Advisory
http://www.securityfocus.com/bid/106154
Third Party Advisory
https://access.redhat.com/errata/RHBA-2019:0327
Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0229
Issue Tracking
https://bugs.ghostscript.com/show_bug.cgi?id=700168
More from Ghostscript
7.8
CVE-2017-8291
Artifex Ghostscript Type Confusion Vulnerability
9.9
CVE-2021-3781
A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command
9.8
CVE-2025-27837
An issue was discovered in Artifex Ghostscript before 10.05.0
9.8
CVE-2025-27836
An issue was discovered in Artifex Ghostscript before 10.05.0
9.8
CVE-2025-27832
An issue was discovered in Artifex Ghostscript before 10.05.0