CVE-2022-29379

Name: CVE-2022-29379
Creator: NVD / NIST
Published: 2022-05-25T13:15:07.837+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.69%

Last modified Jun 17, 2026

CVE-2022-29379 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Nginx NJS v0.7.3 was discovered to contain a stack overflow in the function njs_default_module_loader at /src/njs/src/njs_module.c. NOTE: multiple third parties dispute this report, e.g., the behavior is only found in unreleased development code that was not part of the 0.7.2, 0.7.3, or 0.7.4 release. EPSS estimates a 1.69% chance of exploitation in the next 30 days.

Description

Nginx NJS v0.7.3 was discovered to contain a stack overflow in the function njs_default_module_loader at /src/njs/src/njs_module.c. NOTE: multiple third parties dispute this report, e.g., the behavior is only found in unreleased development code that was not part of the 0.7.2, 0.7.3, or 0.7.4 release

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

1.69%

74.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
F5	Njs	0.7.3

References

https://github.com/nginx/njs/commit/ab1702c7af9959366a5ddc4a75b4357d4e9ebdc1Patch, Third Party Advisory
https://github.com/nginx/njs/issues/491Issue Tracking, Third Party Advisory
https://github.com/nginx/njs/issues/493Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/nginx/njs/commit/ab1702c7af9959366a5ddc4a75b4357d4e9ebdc1Patch, Third Party Advisory
https://github.com/nginx/njs/issues/491Issue Tracking, Third Party Advisory
https://github.com/nginx/njs/issues/493Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: May 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-29379?

How severe is CVE-2022-29379?

CVE-2022-29379 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.69% probability of exploitation in the next 30 days.

How do I fix CVE-2022-29379?

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-2022-29379?

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

Scan your code now

Source: NVD / NIST