Jerryscript 3.0.0 js-scanner-util.c scanner_literal_is_created heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Jerryscript 3.0.0. It has been rated as critical. This impacts the function scanner_literal_is_created of the file /jerry-core/parser/js/js-scanner-util.c. This manipulation causes heap-based overflow. This vulnerability is registered as CVE-2023-31907. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Jerryscript 3.0.0. Affected by this vulnerability is the function scanner_literal_is_created of the file /jerry-core/parser/js/js-scanner-util.c. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Jerryscript 3.0.0 was discovered to contain a heap-buffer-overflow via the component scanner_literal_is_created at /jerry-core/parser/js/js-scanner-util.c.

The weakness was published 05/10/2023 as 5073. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-31907 since 04/29/2023. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-36196). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 7.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/29/2023 🔍
05/10/2023 +11 days 🔍
05/10/2023 +0 days 🔍
12/29/2025 +964 days 🔍

Sourcesinfo

Advisory: 5073
Status: Confirmed

CVE: CVE-2023-31907 (🔍)
GCVE (CVE): GCVE-0-2023-31907
GCVE (VulDB): GCVE-100-228655
EUVD: 🔍

Entryinfo

Created: 05/10/2023 19:32
Updated: 12/29/2025 08:54
Changes: 05/10/2023 19:32 (39), 06/02/2023 15:34 (11), 01/27/2025 23:11 (27), 12/29/2025 08:54 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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