Artifex Ghostscript 9.50 contrib/lips4/gdevlips.c GetNumSameData PDF File out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Artifex Ghostscript 9.50. The impacted element is the function GetNumSameData of the file contrib/lips4/gdevlips.c. Such manipulation as part of PDF File leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2020-17538. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Artifex Ghostscript 9.50 (Document Processing Software) and classified as critical. Affected by this issue is the function GetNumSameData of the file contrib/lips4/gdevlips.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 GetNumSameData() in contrib/lips4/gdevlips.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-2020-17538 since 08/12/2020. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 9.51 eliminates this vulnerability.

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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: 6.4
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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ghostscript 9.51

Timelineinfo

08/12/2020 🔍
08/13/2020 +1 days 🔍
08/13/2020 +0 days 🔍
04/29/2026 +2085 days 🔍

Sourcesinfo

Vendor: artifex.com

Status: Confirmed

CVE: CVE-2020-17538 (🔍)
GCVE (CVE): GCVE-0-2020-17538
GCVE (VulDB): GCVE-100-159782

Entryinfo

Created: 08/13/2020 14:15
Updated: 04/29/2026 18:43
Changes: 08/13/2020 14:15 (37), 08/13/2020 14:20 (18), 03/18/2025 21:34 (16), 04/29/2026 18:40 (2), 04/29/2026 18:43 (6)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

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