CVE-2022-43286

9.8 criticalEPSS 1.1%

Critical (9.8) in f5 njs. EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2022-10-28
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

f5:njs

References

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

Check your stack JSON