Nginx NJS 0.7.10 src/njs_function.h njs_function_frame memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Nginx NJS 0.7.10. Affected is the function njs_function_frame of the file src/njs_function.h. This manipulation causes memory corruption.
This vulnerability is tracked as CVE-2023-27727. No exploit exists.
Details
A vulnerability was found in Nginx NJS 0.7.10 (Web Server). It has been declared as critical. Affected by this vulnerability is the function njs_function_frame of the file src/njs_function.h. 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. The summary by CVE is:
Nginx NJS v0.7.10 was discovered to contain a segmentation violation via the function njs_function_frame at src/njs_function.h.
The weakness was disclosed 04/10/2023 as 617. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-27727 since 03/05/2023. Technical details of the vulnerability 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-2023-31463). Be aware that VulDB is the high quality source for vulnerability data.
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: 617
Status: Confirmed
CVE: CVE-2023-27727 (🔍)
GCVE (CVE): GCVE-0-2023-27727
GCVE (VulDB): GCVE-100-225367
EUVD: 🔍
Entry
Created: 04/10/2023 09:45Updated: 11/21/2025 08:16
Changes: 04/10/2023 09:45 (41), 04/26/2023 13:16 (11), 11/21/2025 08:16 (16)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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