CVE-2022-43286 - Vulnerability Details - OpenCVE

Description

Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function njs_json_parse_iterator_call at njs_json.c.

Published: 2022-10-28

Score: 9.8 Critical

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:f5:njs:0.7.2:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-46330	Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function njs_json_parse_iterator_call at njs_json.c.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00328.

Exploitation poc

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/nginx/njs/commit/2ad0ea24a58d570634e09c2e58c3b314505eaa6a
https://github.com/nginx/njs/issues/480

History

Wed, 07 May 2025 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

F5 Njs

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-10-28T00:00:00.000Z

Updated: 2025-05-07T14:00:14.666Z

Reserved: 2022-10-17T00:00:00.000Z

Link: CVE-2022-43286

Vulnrichment

Updated: 2024-08-03T13:26:02.726Z

NVD

Status : Modified

Published: 2022-10-28T21:15:10.213

Modified: 2025-05-07T14:15:37.620

Link: CVE-2022-43286

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-416

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