Resource exhaustion in Fastify Fastify-Multipart
CVE-2025-24033
@fastify/multipart is a Fastify plugin for parsing the multipart content-type. Prior to versions 8.3.1 and 9.0.3, the `saveRequestFiles` function does not delete the uploaded temporary files when user cancels the request. The issue is fixed in versions 8.3.1 and 9.0.3. As a workaround, do not use `saveRequestFiles`.
EPSS: 0.006 (43.4th 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 Fastify-multipart — versions < 8.3.1, >= 9.0.0, < 9.0.3
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-24033?
- CVE-2025-24033 is a high-severity vulnerability in Fastify Fastify-Multipart, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2025-01-23.
- How severe is CVE-2025-24033?
- High severity. CVSS v3 base score is 7.5 out of 10.