| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in jsonlint 1.0. Affected by this issue is some unknown functionality of the file /home/hjsz/jsonlint/src/lexer. Such manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2022-42227. No exploit is available.
Details
A vulnerability was found in jsonlint 1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the file /home/hjsz/jsonlint/src/lexer. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to 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(). Impacted is confidentiality, integrity, and availability. CVE summarizes:
jsonlint 1.0 is vulnerable to heap-buffer-overflow via /home/hjsz/jsonlint/src/lexer.
The weakness was published 10/20/2022. The advisory is available at github.com. This vulnerability is handled as CVE-2022-42227 since 10/03/2022. Technical details 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.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
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
10/03/2022 🔍10/20/2022 🔍
10/20/2022 🔍
05/09/2025 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2022-42227 (🔍)
GCVE (CVE): GCVE-0-2022-42227
GCVE (VulDB): GCVE-100-211850
Entry
Created: 10/20/2022 15:04Updated: 05/09/2025 05:27
Changes: 10/20/2022 15:04 (37), 11/18/2022 13:34 (11), 05/09/2025 05:27 (15)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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