CVE-2022-27007

Name: CVE-2022-27007
Creator: NVD / NIST
Published: 2022-04-14T15:15:08.163+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.54%

Last modified Jun 17, 2026

CVE-2022-27007 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().. EPSS estimates a 1.54% chance of exploitation in the next 30 days.

Description

nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.54%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
F5	Njs	0.7.2

References

https://github.com/nginx/njs/commit/ad48705bf1f04b4221a5f5b07715ac48b3160d53Patch, Third Party Advisory
https://github.com/nginx/njs/issues/469Exploit, Issue Tracking, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20220519-0008/Third Party Advisory
https://github.com/nginx/njs/commit/ad48705bf1f04b4221a5f5b07715ac48b3160d53Patch, Third Party Advisory
https://github.com/nginx/njs/issues/469Exploit, Issue Tracking, Patch, Third Party Advisory
https://security.netapp.com/advisory/ntap-20220519-0008/Third Party Advisory

Timeline

Published: Apr 14, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-27007?

nginx njs 0.7.2 is affected suffers from Use-after-free in njs_function_frame_alloc() when it try to invoke from a restored frame saved with njs_function_frame_save().

How severe is CVE-2022-27007?

CVE-2022-27007 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.54% probability of exploitation in the next 30 days.

How do I fix CVE-2022-27007?

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-2022-27007?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST