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CVE-2018-19477

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

7.8 HighFix available

CVE-2018-19477 is a high vulnerability (CVSS 7.8) in Artifex Ghostscript, published November 23, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.04%, the 87th percentile. Fixed in ghostscript 9.26-r0.

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

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

3.04%Down 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

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

Record
CVE-2018-19477
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-704
Updated
2026-11-02
CVE List No score

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

Record
CVE-2018-19477
Updated
2026-11-02
EUVDEUVD-2018-11166 No score

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

Record
EUVD-2018-11166
Updated
2026-11-03
GitHub AdvisoriesGHSA-fqrr-hwmj-8pj8 7.8

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

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

Record
GHSA-fqrr-hwmj-8pj8
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-704
Updated
2026-11-02
OSVALPINE-CVE-2018-19477 7.8

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

Record
ALPINE-CVE-2018-19477
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-03
OSVBELL-CVE-2018-19477 7.8

CVE-2018-19477 does not affect BellSoft software

Record
BELL-CVE-2018-19477
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 9 moreShow less
OSV 7.8

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

Record
CVE-2018-19477
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2018-19477 7.8

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

Record
DEBIAN-CVE-2018-19477
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVRHSA-2019:0229 7.3

Red Hat Security Advisory: ghostscript security and bug fix update

Record
RHSA-2019:0229
CVSS 3.0
7.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2018-19477 7.8

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

Record
UBUNTU-CVE-2018-19477
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:10783-1 No score

ghostscript-9.54.0-2.2 on GA media

These are all security issues fixed in the ghostscript-9.54.0-2.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10783-1
Updated
2026-11-02
OSVSUSE-SU-2018:4087-1 No score

Security update for ghostscript

This update for ghostscript to version 9.26 fixes the following issues:

Security issues fixed:

  • CVE-2018-19475: Fixed bypass of an intended access restriction in psi/zdevice2.c (bsc#1117327)
  • CVE-2018-19476: Fixed bypass of an intended access restriction in psi/zicc.c (bsc#1117313)
  • CVE-2018-19477: Fixed bypass of an intended access restriction in psi/zfjbig2.c (bsc#1117274)
  • CVE-2018-19409: Check if another device is used correctly in LockSafetyParams (bsc#1117022)
  • CVE-2018-18284: Fixed potential sandbox escape through 1Policy operator (bsc#1112229)
  • CVE-2018-18073: Fixed leaks through operator in saved execution stacks (bsc#1111480)
  • CVE-2018-17961: Fixed a -dSAFER sandbox escape by bypassing executeonly (bsc#1111479)
  • CVE-2018-17183: Fixed a potential code injection by specially crafted PostScript files (bsc#1109105)

Version update to 9.26 (bsc#1117331):

Record
SUSE-SU-2018:4087-1
Updated
2026-11-02
OSVSUSE-SU-2018:4090-1 No score

Security update for ghostscript

This update for ghostscript to version 9.26 fixes the following issues:

Security issues fixed:

  • CVE-2018-19475: Fixed bypass of an intended access restriction in psi/zdevice2.c (bsc#1117327)
  • CVE-2018-19476: Fixed bypass of an intended access restriction in psi/zicc.c (bsc#1117313)
  • CVE-2018-19477: Fixed bypass of an intended access restriction in psi/zfjbig2.c (bsc#1117274)
  • CVE-2018-19409: Check if another device is used correctly in LockSafetyParams (bsc#1117022)
  • CVE-2018-18284: Fixed potential sandbox escape through 1Policy operator (bsc#1112229)
  • CVE-2018-18073: Fixed leaks through operator in saved execution stacks (bsc#1111480)
  • CVE-2018-17961: Fixed a -dSAFER sandbox escape by bypassing executeonly (bsc#1111479)
  • CVE-2018-17183: Fixed a potential code injection by specially crafted PostScript files (bsc#1109105)

Version update to 9.26 (bsc#1117331):

Record
SUSE-SU-2018:4090-1
Updated
2026-11-02
OSVSUSE-SU-2018:4090-2 No score

Security update for ghostscript

This update for ghostscript to version 9.26 fixes the following issues:

Security issues fixed:

  • CVE-2018-19475: Fixed bypass of an intended access restriction in psi/zdevice2.c (bsc#1117327)
  • CVE-2018-19476: Fixed bypass of an intended access restriction in psi/zicc.c (bsc#1117313)
  • CVE-2018-19477: Fixed bypass of an intended access restriction in psi/zfjbig2.c (bsc#1117274)
  • CVE-2018-19409: Check if another device is used correctly in LockSafetyParams (bsc#1117022)
  • CVE-2018-18284: Fixed potential sandbox escape through 1Policy operator (bsc#1112229)
  • CVE-2018-18073: Fixed leaks through operator in saved execution stacks (bsc#1111480)
  • CVE-2018-17961: Fixed a -dSAFER sandbox escape by bypassing executeonly (bsc#1111479)
  • CVE-2018-17183: Fixed a potential code injection by specially crafted PostScript files (bsc#1109105)

Version update to 9.26 (bsc#1117331):

Record
SUSE-SU-2018:4090-2
Updated
2026-11-02
OSVUSN-3831-1 No score

ghostscript vulnerabilities

It was discovered that Ghostscript contained multiple security issues. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use these issues to access arbitrary files, execute arbitrary code, or cause a denial of service.

Record
USN-3831-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ghostscript
Alpine:v3.10
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.11
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.12
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.13
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.14
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.15
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.16
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.17
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.18
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.19
 before 9.26-r0
9.26-r0
Show 77 moreShow less
Affected packages
PackageAffectedFixed
ghostscript
Alpine:v3.20
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.21
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.22
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.23
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.24
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.5
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.6
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.7
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.8
 before 9.26-r0
9.26-r0
ghostscript
Alpine:v3.9
 before 9.26-r0
9.26-r0
ghostscript
Debian:12
 before 9.26~dfsg-1
9.26~dfsg-1
ghostscript
Debian:13
 before 9.26~dfsg-1
9.26~dfsg-1
ghostscript
Debian:14
 before 9.26~dfsg-1
9.26~dfsg-1
ghostscript
Debian:8
 before 9.06~dfsg-2+deb8u12, plus listed versions
9.06~dfsg-29.06~dfsg-2+deb8u19.06~dfsg-2+deb8u109.06~dfsg-2+deb8u119.06~dfsg-2+deb8u2
Show 7 moreShow less
9.06~dfsg-2+deb8u39.06~dfsg-2+deb8u49.06~dfsg-2+deb8u59.06~dfsg-2+deb8u69.06~dfsg-2+deb8u79.06~dfsg-2+deb8u89.06~dfsg-2+deb8u9
9.06~dfsg-2+deb8u12
ghostscript
Debian:9
 before 9.26~dfsg-0+deb9u1, plus listed versions
9.20~dfsg-3.29.20~dfsg-3.2+deb9u19.20~dfsg-3.2+deb9u29.20~dfsg-3.2+deb9u39.20~dfsg-3.2+deb9u4
Show 19 moreShow less
9.20~dfsg-3.2+deb9u59.21~dfsg-19.21~dfsg-1~exp19.22~dfsg-19.22~dfsg-29.22~dfsg-2.19.22~dfsg-2~riscv649.22~dfsg-39.22~~rc1~dfsg-19.24~~rc2~dfsg-19.25~dfsg-0+deb9u19.25~dfsg-19.25~dfsg-1~exp19.25~dfsg-29.25~dfsg-39.25~dfsg-49.25~dfsg-59.25~dfsg-69.25~dfsg-7
9.26~dfsg-0+deb9u1
ghostscript
Red Hat:enterprise_linux:7::client
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-cups
Red Hat:enterprise_linux:7::client
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-debuginfo
Red Hat:enterprise_linux:7::client
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-devel
Red Hat:enterprise_linux:7::client
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-doc
Red Hat:enterprise_linux:7::client
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-gtk
Red Hat:enterprise_linux:7::client
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript
Red Hat:enterprise_linux:7::computenode
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-cups
Red Hat:enterprise_linux:7::computenode
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-debuginfo
Red Hat:enterprise_linux:7::computenode
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-devel
Red Hat:enterprise_linux:7::computenode
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-doc
Red Hat:enterprise_linux:7::computenode
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-gtk
Red Hat:enterprise_linux:7::computenode
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript
Red Hat:enterprise_linux:7::server
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-cups
Red Hat:enterprise_linux:7::server
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-debuginfo
Red Hat:enterprise_linux:7::server
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-devel
Red Hat:enterprise_linux:7::server
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-doc
Red Hat:enterprise_linux:7::server
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-gtk
Red Hat:enterprise_linux:7::server
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript
Red Hat:enterprise_linux:7::workstation
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-cups
Red Hat:enterprise_linux:7::workstation
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-debuginfo
Red Hat:enterprise_linux:7::workstation
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-devel
Red Hat:enterprise_linux:7::workstation
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-doc
Red Hat:enterprise_linux:7::workstation
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript-gtk
Red Hat:enterprise_linux:7::workstation
 before 0:9.07-31.el7_6.9
0:9.07-31.el7_6.9
ghostscript
SUSE:Linux Enterprise Module for Basesystem 15
 before 9.26-3.9.4
9.26-3.9.4
libspectre
SUSE:Linux Enterprise Module for Desktop Applications 15
 before 0.2.8-3.4.3
0.2.8-3.4.3
ghostscript
SUSE:OpenStack Cloud 7
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:OpenStack Cloud 7
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Desktop 12 SP3
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Desktop 12 SP3
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Desktop 12 SP4
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Desktop 12 SP4
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server for SAP Applications 12 SP2
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Software Development Kit 12 SP3
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Software Development Kit 12 SP3
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Software Development Kit 12 SP4
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Software Development Kit 12 SP4
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server 12-LTSS
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server 12-LTSS
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server 12 SP1-LTSS
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server 12 SP1-LTSS
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server 12 SP2-LTSS
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server 12 SP2-LTSS
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server 12 SP2-BCL
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server 12 SP2-BCL
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server 12 SP3
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server 12 SP3
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server for SAP Applications 12 SP3
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server 12 SP4
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server 12 SP4
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Enterprise Storage 4
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Enterprise Storage 4
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 9.26-23.16.1
9.26-23.16.1
libspectre
SUSE:Linux Enterprise Server for SAP Applications 12 SP1
 before 0.2.7-12.4.1
0.2.7-12.4.1
ghostscript
Ubuntu:14.04:LTS
 before 9.26~dfsg+0-0ubuntu0.14.04.1, plus listed versions
9.10~dfsg-0ubuntu29.10~dfsg-0ubuntu39.10~dfsg-0ubuntu49.10~dfsg-0ubuntu59.10~dfsg-0ubuntu6
Show 18 moreShow less
9.10~dfsg-0ubuntu79.10~dfsg-0ubuntu89.10~dfsg-0ubuntu99.10~dfsg-0ubuntu109.10~dfsg-0ubuntu10.19.10~dfsg-0ubuntu10.29.10~dfsg-0ubuntu10.39.10~dfsg-0ubuntu10.49.10~dfsg-0ubuntu10.59.10~dfsg-0ubuntu10.69.10~dfsg-0ubuntu10.79.10~dfsg-0ubuntu10.99.10~dfsg-0ubuntu10.109.10~dfsg-0ubuntu10.129.10~dfsg-0ubuntu10.139.25~dfsg+1-0ubuntu0.14.04.19.25~dfsg+1-0ubuntu0.14.04.29.25~dfsg+1-0ubuntu0.14.04.3
9.26~dfsg+0-0ubuntu0.14.04.1
ghostscript
Ubuntu:16.04:LTS
 before 9.26~dfsg+0-0ubuntu0.16.04.1, plus listed versions
9.16~dfsg~0-0ubuntu39.16~dfsg~0-0ubuntu49.18~dfsg~0-0ubuntu19.18~dfsg~0-0ubuntu29.18~dfsg~0-0ubuntu2.2
Show 9 moreShow less
9.18~dfsg~0-0ubuntu2.39.18~dfsg~0-0ubuntu2.49.18~dfsg~0-0ubuntu2.69.18~dfsg~0-0ubuntu2.79.18~dfsg~0-0ubuntu2.89.18~dfsg~0-0ubuntu2.99.25~dfsg+1-0ubuntu0.16.04.19.25~dfsg+1-0ubuntu0.16.04.29.25~dfsg+1-0ubuntu0.16.04.3
9.26~dfsg+0-0ubuntu0.16.04.1
ghostscript
Ubuntu:18.04:LTS
 before 9.26~dfsg+0-0ubuntu0.18.04.1, plus listed versions
9.21~dfsg+1-0ubuntu39.22~dfsg+1-0ubuntu19.22~dfsg+1-0ubuntu1.19.22~dfsg+1-0ubuntu1.29.25~dfsg+1-0ubuntu0.18.04.19.25~dfsg+1-0ubuntu0.18.04.2
9.26~dfsg+0-0ubuntu0.18.04.1
ghostscript
openSUSE:Tumbleweed
 before 9.54.0-2.2
9.54.0-2.2

History

History
WhenChangedSources
2026-11-03affectedOSV
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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