VDB-159752 · CVE-2020-16287 · GCVE-0-2020-16287

Artifex Ghostscript 9.50 contrib/lips4/gdevlprn.c lprn_is_black PDF File out-of-bounds write

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Artifex Ghostscript 9.50. Affected is the function lprn_is_black of the file contrib/lips4/gdevlprn.c. Such manipulation as part of PDF File leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2020-16287. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Artifex Ghostscript 9.50 (Document Processing Software). Affected by this issue is the function lprn_is_black of the file contrib/lips4/gdevlprn.c. The manipulation as part of a PDF File leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A buffer overflow vulnerability in lprn_is_black() in contrib/lips4/gdevlprn.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.

The weakness was disclosed 08/13/2020. This vulnerability is handled as CVE-2020-16287 since 08/03/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 9.51 eliminates this vulnerability.

The entries VDB-159756, VDB-159755, VDB-159754 and VDB-159753 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Document Processing Software

Vendor

Artifex

Name

Ghostscript

Version

9.50

License

free

Website

Vendor: https://artifex.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ghostscript 9.51

Timelineinfo

08/03/2020 🔍
08/13/2020 +10 days 🔍
08/13/2020 +0 days 🔍
02/02/2026 +1999 days 🔍

Sourcesinfo

Vendor: artifex.com

Status: Confirmed

CVE: CVE-2020-16287 (🔍)
GCVE (CVE): GCVE-0-2020-16287
GCVE (VulDB): GCVE-100-159752
See also: 🔍

Entryinfo

Created: 08/13/2020 12:56
Updated: 02/02/2026 13:40
Changes: 08/13/2020 12:56 (38), 08/13/2020 13:01 (18), 02/02/2026 13:37 (2), 02/02/2026 13:40 (21)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.