CVE-2022-39288

Name: CVE-2022-39288
Creator: NVD / NIST
Published: 2022-10-10T21:15:11.3+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 59.24%

Last modified Jun 17, 2026

CVE-2022-39288 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. EPSS estimates a 59.24% chance of exploitation in the next 30 days.

Description

fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. An attacker can send an invalid Content-Type header that can cause the application to crash. This issue has been addressed in commit `fbb07e8d` and will be included in release version 4.8.1. Users are advised to upgrade. Users unable to upgrade may manually filter out http content with malicious Content-Type headers.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

59.24%

99.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-754

Affected Software

Vendor	Product	Versions
Fastify	Fastify	< 4.8.1

References

https://github.com/fastify/fastify/commit/fbb07e8dfad74c69cd4cd2211aedab87194618e3Patch, Third Party Advisory
https://github.com/fastify/fastify/security/advisories/GHSA-455w-c45v-86rgMitigation, Third Party Advisory
https://github.com/fastify/fastify/security/policyThird Party Advisory
https://github.com/fastify/fastify/commit/fbb07e8dfad74c69cd4cd2211aedab87194618e3Patch, Third Party Advisory
https://github.com/fastify/fastify/security/advisories/GHSA-455w-c45v-86rgMitigation, Third Party Advisory
https://github.com/fastify/fastify/security/policyThird Party Advisory

Timeline

Published: Oct 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-39288?

How severe is CVE-2022-39288?

CVE-2022-39288 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 59.24% probability of exploitation in the next 30 days.

How do I fix CVE-2022-39288?

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-2022-39288?

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

Scan your code now

Source: NVD / NIST