JerryScript 14ff5bf Regular Expression ecma-regexp-object.c memory leak
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in JerryScript 14ff5bf. This impacts an unknown function of the file jerry-core/ecma/operations/ecma-regexp-object.c of the component Regular Expression Handler. The manipulation results in memory leak. This vulnerability is known as CVE-2021-41959. No exploit is available. It is advisable to implement a patch to correct this issue.
Details
A vulnerability classified as problematic has been found in JerryScript 14ff5bf. Affected is some unknown functionality of the file jerry-core/ecma/operations/ecma-regexp-object.c of the component Regular Expression Handler. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability.
The weakness was published 05/03/2022 as 4781. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-41959 since 10/04/2021. There are known technical details, but no exploit is available.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.4
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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 leakCWE: CWE-401 / CWE-404
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: PatchStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
10/04/2021 🔍05/03/2022 🔍
05/03/2022 🔍
05/05/2022 🔍
Sources
Advisory: 4781Status: Confirmed
CVE: CVE-2021-41959 (🔍)
GCVE (CVE): GCVE-0-2021-41959
GCVE (VulDB): GCVE-100-198900
Entry
Created: 05/03/2022 22:53Updated: 05/05/2022 14:56
Changes: 05/03/2022 22:53 (40), 05/05/2022 14:56 (1)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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