Description
A flaw was found in ghostscript. The fix for CVE-2020-16305 in ghostscript was not included in RHSA-2021:1852-06 advisory as it was claimed to be. This issue only affects the ghostscript package as shipped with Red Hat Enterprise Linux 8.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | libgs +7 | 9.27-11.el8 | RHSA-2023:7053 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | libgs +7 | 9.27-11.el8 | ALSA-2023:7053 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | libgs +7 | 9.27-11.el8 | ELSA-2023-7053 |
Advisories 4
- ALSA-2023:7053 Moderate: ghostscript security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:7053 Red Hat Security Advisory: ghostscript security and bug fix update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- ELSA-2023-7053 Moderate: ghostscript security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 17, 2023
- WID-SEC-2023-2160 Red Hat Enterprise Linux: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Nov 14, 2023
References
- RHSA-2023:7053 vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-4042 vdb-entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1870257
- RHBZ#2228151 issue-tracking