CVE-2022-43286
CRITICALCVSS 9.8/10EPSS 0.90%
Last modified
CVE-2022-43286 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.90% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Njs | 0.7.2 |
References
- https://github.com/nginx/njs/commit/2ad0ea24a58d570634e09c2e58c3b314505eaa6aPatch, Third Party Advisory
- https://github.com/nginx/njs/issues/480Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/nginx/njs/commit/2ad0ea24a58d570634e09c2e58c3b314505eaa6aPatch, Third Party Advisory
- https://github.com/nginx/njs/issues/480Exploit, Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-43286?
CVE-2022-43286 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.
How do I fix CVE-2022-43286?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-43286?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST