Artifex Ghostscript 9.50 PDF File devices/gdevclj.c clj_media_size denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Artifex Ghostscript 9.50. This affects the function clj_media_size of the file devices/gdevclj.c of the component PDF File Handler. The manipulation results in denial of service. This vulnerability is known as CVE-2020-21890. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Artifex Ghostscript 9.50 (Document Processing Software). Affected is the function clj_media_size of the file devices/gdevclj.c of the component PDF File Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Buffer Overflow vulnerability in clj_media_size function in devices/gdevclj.c in Artifex Ghostscript 9.50 allows remote attackers to cause a denial of service or other unspecified impact(s) via opening of crafted PDF document.

The weakness was published 08/23/2023. The advisory is available at bugs.ghostscript.com. This vulnerability is traded as CVE-2020-21890 since 08/13/2020. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability. The fixed version is unknown but according to https://bugs.ghostscript.com/show_bug.cgi?id=701846 it was fixed in https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=494eeedf73d13fac5710e56f3a8fb2e7e2379d73

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
08/23/2023 +1105 days 🔍
08/23/2023 +0 days 🔍
02/03/2026 +895 days 🔍

Sourcesinfo

Vendor: artifex.com

Advisory: bugs.ghostscript.com
Status: Confirmed

CVE: CVE-2020-21890 (🔍)
GCVE (CVE): GCVE-0-2020-21890
GCVE (VulDB): GCVE-100-237690

Entryinfo

Created: 08/23/2023 07:28
Updated: 02/03/2026 13:09
Changes: 08/23/2023 07:28 (41), 09/14/2023 14:05 (11), 02/03/2026 13:06 (2), 02/03/2026 13:09 (19)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

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