What is CVE-2022-43286?

CVE-2022-43286 is a critical-severity vulnerability in F5 Njs, classified under Use After Free. CVSS score: 9.8/10. Published 2022-10-28.

How severe is CVE-2022-43286?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Use After Free in F5 Njs

CVE-2022-43286

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.

Vulnerability class: Use-After-Free

EPSS: 0.009 (55.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

F5 Njs — versions 0.7.2
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, Issue Tracking)
cve@mitre.org (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-43286?: CVE-2022-43286 is a critical-severity vulnerability in F5 Njs, classified under Use After Free. CVSS score: 9.8/10. Published 2022-10-28.
How severe is CVE-2022-43286?: Critical severity. CVSS v3 base score is 9.8 out of 10.