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
- Artifex Ghostscript
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 0:9.27-11.el8
- Red Hat Enterprise Linux 9
- Redhat Codeready_linux_builder — versions 8.0
- Redhat Codeready_linux_builder_for_arm64 — versions 8.0_aarch64
- Redhat Codeready_linux_builder_for_ibm_z_systems — versions 8.0_s390x
- Redhat Codeready_linux_builder_for_power_little_endian — versions 8.0_ppc64le
- Redhat Enterprise_linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)
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.