CVE-2023-4042

Ghostscript: incomplete fix for cve-2020-16305

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

An update for ghostscript is now available for Red Hat Enterprise Linux 8. Issues addressed include buffer overflow and denial of service vulnerabilities.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-08-01 CVE Reserved
2023-08-23 CVE Published
2024-11-23 CVE Updated
2025-04-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read
CWE-787: Out-of-bounds Write

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2023:7053	2023-12-27
https://access.redhat.com/security/cve/CVE-2023-4042	2023-11-14
https://bugzilla.redhat.com/show_bug.cgi?id=1870257	2023-11-14
https://bugzilla.redhat.com/show_bug.cgi?id=2228151	2023-11-14

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Artifex Search vendor "Artifex"		Ghostscript Search vendor "Artifex" for product "Ghostscript"				< 9.51 Search vendor "Artifex" for product "Ghostscript" and version " < 9.51"		-		Affected
Redhat Search vendor "Redhat"		Codeready Linux Builder Search vendor "Redhat" for product "Codeready Linux Builder"				8.0 Search vendor "Redhat" for product "Codeready Linux Builder" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Codeready Linux Builder For Arm64 Search vendor "Redhat" for product "Codeready Linux Builder For Arm64"				8.0_aarch64 Search vendor "Redhat" for product "Codeready Linux Builder For Arm64" and version "8.0_aarch64"		-		Affected
Redhat Search vendor "Redhat"		Codeready Linux Builder For Ibm Z Systems Search vendor "Redhat" for product "Codeready Linux Builder For Ibm Z Systems"				8.0_s390x Search vendor "Redhat" for product "Codeready Linux Builder For Ibm Z Systems" and version "8.0_s390x"		-		Affected
Redhat Search vendor "Redhat"		Codeready Linux Builder For Power Little Endian Search vendor "Redhat" for product "Codeready Linux Builder For Power Little Endian"				8.0_ppc64le Search vendor "Redhat" for product "Codeready Linux Builder For Power Little Endian" and version "8.0_ppc64le"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux For Arm 64 Search vendor "Redhat" for product "Enterprise Linux For Arm 64"				8.0_aarch64 Search vendor "Redhat" for product "Enterprise Linux For Arm 64" and version "8.0_aarch64"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux For Ibm Z Systems Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems"				8.0_s390x Search vendor "Redhat" for product "Enterprise Linux For Ibm Z Systems" and version "8.0_s390x"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux For Power Little Endian Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian"				8.0_ppc64le Search vendor "Redhat" for product "Enterprise Linux For Power Little Endian" and version "8.0_ppc64le"		-		Affected