Description
psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ghostscript | 9.26~dfsg-1 | — |
| Debian 13 | ghostscript | 9.26~dfsg-1 | — |
| Debian 12 | ghostscript | 9.26~dfsg-1 | — |
| Debian 9 | ghostscript | 9.26~dfsg-0+deb9u1 | DSA-4346-1 |
| Debian 8 | ghostscript | 9.06~dfsg-2+deb8u12 | DLA-1598-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | ghostscript | 9.26~dfsg+0-0ubuntu0.18.04.1 | USN-3831-1 |
| Ubuntu 16.04 LTS | ghostscript | 9.26~dfsg+0-0ubuntu0.16.04.1 | USN-3831-1 |
| Ubuntu 14.04 LTS | ghostscript | 9.26~dfsg+0-0ubuntu0.14.04.1 | USN-3831-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | ghostscript +4 | 9.07-31.el7_6.9 | RHSA-2019:0229 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | ghostscript | 9.26-3.9.4 | SUSE-SU-2018:4087-1 |
| SLES 15 | libspectre | 0.2.8-3.4.3 | SUSE-SU-2018:4087-1 |
| SLES 12 SP4 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SLES 12 SP4 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
| SLES 12 SP3 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SLES 12 SP3 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
| SLES 12 SP2 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SLES 12 SP2 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
| SLES 12 SP1 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SLES 12 SP1 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SLES 12 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
| SLES for SAP 12 SP4 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SLES for SAP 12 SP4 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
| SLES for SAP 12 SP3 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SLES for SAP 12 SP3 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
| SLES for SAP 12 SP2 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SLES for SAP 12 SP2 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
| SLES for SAP 12 SP1 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-2 |
| SLES for SAP 12 SP1 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-2 |
| SUSE OpenStack Cloud 7 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SUSE OpenStack Cloud 7 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
| SUSE Enterprise Storage 4 | ghostscript | 9.26-23.16.1 | SUSE-SU-2018:4090-1 |
| SUSE Enterprise Storage 4 | libspectre | 0.2.7-12.4.1 | SUSE-SU-2018:4090-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ghostscript | 9.54.0-2.2 | openSUSE-SU-2024:10783-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ghostscript | 9.26-r0 | — |
| Alpine v3.23 | ghostscript | 9.26-r0 | — |
| Alpine v3.22 | ghostscript | 9.26-r0 | — |
| Alpine v3.21 | ghostscript | 9.26-r0 | — |
| Alpine v3.20 | ghostscript | 9.26-r0 | — |
Show 15 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ghostscript | 9.26-r0 | — |
| Alpine v3.18 | ghostscript | 9.26-r0 | — |
| Alpine v3.17 | ghostscript | 9.26-r0 | — |
| Alpine v3.16 | ghostscript | 9.26-r0 | — |
| Alpine v3.15 | ghostscript | 9.26-r0 | — |
| Alpine v3.14 | ghostscript | 9.26-r0 | — |
| Alpine v3.13 | ghostscript | 9.26-r0 | — |
| Alpine v3.12 | ghostscript | 9.26-r0 | — |
| Alpine v3.11 | ghostscript | 9.26-r0 | — |
| Alpine v3.10 | ghostscript | 9.26-r0 | — |
| Alpine v3.9 | ghostscript | 9.26-r0 | — |
| Alpine v3.8 | ghostscript | 9.26-r0 | — |
| Alpine v3.7 | ghostscript | 9.26-r0 | — |
| Alpine v3.6 | ghostscript | 9.26-r0 | — |
| Alpine v3.5 | ghostscript | 9.26-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libgs +5 | 9.25-5.amzn2 | ALAS2-2021-1598 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | ghostscript +4 | 9.07-31.el7_6.9 | ELSA-2019-0229 |
Advisories 10
- RHSA-2019:0229 Red Hat Security Advisory: ghostscript security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-3831-1 ghostscript vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-4346-1 ghostscript - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1598-1 ghostscript - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10783-1 ghostscript-9.54.0-2.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:4087-1 Security update for ghostscript SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:4090-2 Security update for ghostscript SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:4090-1 Security update for ghostscript SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2021-1598 Important: ghostscript security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Feb 19, 2021
- ELSA-2019-0229 Important: ghostscript security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 31, 2019
References
- DSA-4346 vendor-advisory
- RHSA-2019:0229 vendor-advisory
- USN-3831-1 vendor-advisory
- https://bugs.ghostscript.com/show_bug.cgi?id=700168
- https://semmle.com/news/semmle-discovers-severe-vulnerability-ghostscript-postscript-pdf
- 106154 vdb-entry
- [debian-lts-announce] 20181128 [SECURITY] [DLA 1598-1] ghostscript security update mailing-list
- https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26
- http://git.ghostscript.com/?p=ghostpdl.git%3Bh=606a22e77e7f081781e99e44644cd0119f559e03
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=ef252e7dc214bcbd9a2539216aab9202848602bb
- RHBA-2019:0327 vendor-advisory