CVE-2022-27008 json
nginx njs 0.7.2 is vulnerable to Buffer Overflow.
published 2022-04-14 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31548
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
nginx njs 0.7.2 is vulnerable to Buffer Overflow. Type confused in Array.prototype.concat() when a slow array appended element is fast array.
Patch / fix
- github.com/nginx/njs@e673ae4 commit
- github.com/nginx/njs/issues/471 advisory
Exploit prediction
1.73% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/nginx/njs/issues/471 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 |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/nginx/njs/commit/e673ae41a998d1391bd562edb2ed6d49db7cc716
patch, third-party-advisory
-
github.com
/nginx/njs/issues/471
exploit, issue-tracking, patch, third-party-advisory
-
security.netapp.com
/advisory/ntap-20220519-0008/
third-party-advisory
Sources
- CVE List CVE-2022-27008
- NVD CVE-2022-27008
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