Out-of-bounds Read in Artifex Ghostscript

CVE-2023-4042

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.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4042?
CVE-2023-4042 is a medium-severity vulnerability in Artifex Ghostscript, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2023-08-23.
How severe is CVE-2023-4042?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-4042 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.