CVE-2023-4042: Artifex Ghostscript

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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

• Artifex Ghostscript: before 9.51 (fixed in 9.51)
• Red Hat Codeready Linux Builder: version 8.0 only
• Red Hat Codeready Linux Builder For ARM64: version 8.0_aarch64 only
• Red Hat Codeready Linux Builder For IBM Z Systems: version 8.0_s390x only
• Red Hat Codeready Linux Builder For Power Little Endian: version 8.0_ppc64le only
• Red Hat Enterprise Linux: version 8.0 only
• Red Hat Enterprise Linux For Arm 64: version 8.0_aarch64 only
• Red Hat Enterprise Linux For IBM Z Systems: version 8.0_s390x only
• Red Hat Enterprise Linux For Power Little Endian: version 8.0_ppc64le only

Published 2023-08-23. Last modified 2026-06-17.