JerryScript js-scanner-util.c scanner_seek memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in JerryScript and classified as critical. The impacted element is the function scanner_seek of the file jerry-core/parser/js/js-scanner-util.c. The manipulation leads to memory corruption.
This vulnerability is documented as CVE-2024-33259. There is not any exploit available.
Details
A vulnerability, which was classified as critical, has been found in JerryScript (the affected version unknown). This issue affects the function scanner_seek of the file jerry-core/parser/js/js-scanner-util.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Jerryscript commit cefd391 was discovered to contain a segmentation violation via the component scanner_seek at jerry-core/parser/js/js-scanner-util.c.
The advisory is shared at github.com. The identification of this vulnerability is CVE-2024-33259 since 04/23/2024. The exploitation is known to be easy. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/22/2025).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
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: 🔍
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: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
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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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
04/23/2024 🔍04/26/2024 🔍
04/26/2024 🔍
09/22/2025 🔍
Sources
Advisory: 5132Status: Confirmed
CVE: CVE-2024-33259 (🔍)
GCVE (CVE): GCVE-0-2024-33259
GCVE (VulDB): GCVE-100-262181
Entry
Created: 04/26/2024 19:01Updated: 09/22/2025 18:43
Changes: 04/26/2024 19:01 (52), 09/22/2025 18:43 (3)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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