CVE-2022-43284 json
Nginx NJS v0.7.2 to v0.7.4 was discovered to contain a segmentation violation via njs_scope_valid_value at njs_scope.h.
published 2022-10-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46328
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
Nginx NJS v0.7.2 to v0.7.4 was discovered to contain a segmentation violation via njs_scope_valid_value at njs_scope.h. NOTE: the vendor disputes the significance of this report because NJS does not operate on untrusted input.
Patch / fix
- github.com/nginx/njs/issues/470 advisory
- github.com/nginx/njs/issues/529 advisory
Exploit prediction
0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/nginx/njs/issues/470 referenced PoC, tagged "exploit" by a source, unverified
- github.com https://github.com/nginx/njs/issues/529 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
-
github.com
/nginx/njs/issues/470
exploit, issue-tracking, patch, third-party-advisory
-
github.com
/nginx/njs/issues/529
exploit, issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2022-43284
- NVD CVE-2022-43284
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