Jerryscript 3.0 ecma-big-uint.c ecma_big_uint_div_mod assertion
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Jerryscript 3.0. It has been declared as critical. Affected is the function ecma_big_uint_div_mod of the file jerry-core/ecma/operations/ecma-big-uint.c. Such manipulation leads to assertion.
This vulnerability is referenced as CVE-2023-31921. No exploit is available.
Details
A vulnerability was found in Jerryscript 3.0 and classified as critical. Affected by this issue is the function ecma_big_uint_div_mod of the file jerry-core/ecma/operations/ecma-big-uint.c. The manipulation with an unknown input leads to a assertion vulnerability. Using CWE to declare the problem leads to CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. The impact remains unknown. CVE summarizes:
Jerryscript 3.0 (commit 05dbbd1) was discovered to contain an Assertion Failure via the ecma_big_uint_div_mod at jerry-core/ecma/operations/ecma-big-uint.c.
The weakness was published 05/12/2023 as 5068. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-31921 since 04/29/2023. There are known technical details, but no exploit is available.
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-2023-36210). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CNA Base Score: 5.5
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: AssertionCWE: CWE-617
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/29/2023 🔍05/12/2023 🔍
05/12/2023 🔍
12/29/2025 🔍
Sources
Advisory: 5068Status: Confirmed
CVE: CVE-2023-31921 (🔍)
GCVE (CVE): GCVE-0-2023-31921
GCVE (VulDB): GCVE-100-228920
EUVD: 🔍
Entry
Created: 05/12/2023 17:27Updated: 12/29/2025 12:41
Changes: 05/12/2023 17:27 (38), 06/08/2023 13:11 (9), 01/24/2025 18:09 (24), 12/29/2025 12:41 (1)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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