Nginx NJS 0.7.10 src/njs_lvlhsh.c njs_lvlhsh_find memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Nginx NJS 0.7.10. This affects the function njs_lvlhsh_find of the file src/njs_lvlhsh.c. Executing a manipulation can lead to memory corruption.
This vulnerability is registered as CVE-2023-27730. No exploit is available.
Details
A vulnerability classified as critical was found in Nginx NJS 0.7.10 (Web Server). This vulnerability affects the function njs_lvlhsh_find of the file src/njs_lvlhsh.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
Nginx NJS v0.7.10 was discovered to contain a segmentation violation via the function njs_lvlhsh_find at src/njs_lvlhsh.c.
The weakness was published 04/10/2023 as 615. The advisory is available at github.com. This vulnerability was named CVE-2023-27730 since 03/05/2023. 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.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-31466). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Product: https://github.com/nginx/njs/
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
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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: Yes
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
03/05/2023 🔍04/10/2023 🔍
04/10/2023 🔍
11/21/2025 🔍
Sources
Product: github.comAdvisory: 615
Status: Confirmed
CVE: CVE-2023-27730 (🔍)
GCVE (CVE): GCVE-0-2023-27730
GCVE (VulDB): GCVE-100-225370
EUVD: 🔍
Entry
Created: 04/10/2023 09:46Updated: 11/21/2025 08:16
Changes: 04/10/2023 09:46 (41), 02/11/2025 23:45 (26), 11/21/2025 08:16 (1)
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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