Is CVE-2022-43286 actively exploited?

CVE-2022-43286 has no public evidence of in-the-wild exploitation as of 2025-05-07.

What is the CVSS score for CVE-2022-43286?

CVE-2022-43286 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2022-43286?

Patch guidance is available from f5 security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2022-43286.

Fix CVE-2022-43286 - CRITICAL f5 njs

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-416 · Use After Free CWE-416 · Use After Free

Metadata

Primary Vendor: F5
Published: 10/28/2022
Last Modified: 5/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2022-43286

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary