What is CVE-2022-39288?

CVE-2022-39288 is a high-severity vulnerability in Fastify, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.5/10. Published 2022-10-10.

How severe is CVE-2022-39288?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Fastify

CVE-2022-39288

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.

EPSS: 0.592 (99.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Fastify — versions >= 4.0.0, < 4.8.1

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

security-advisories@github.com (Third Party Advisory, Mitigation)
security-advisories@github.com (Patch, Third Party Advisory)
security-advisories@github.com (Third Party Advisory)

Frequently asked questions

What is CVE-2022-39288?: CVE-2022-39288 is a high-severity vulnerability in Fastify, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.5/10. Published 2022-10-10.
How severe is CVE-2022-39288?: High severity. CVSS v3 base score is 7.5 out of 10.