CVE-2025-24033

@fastify/multipart vulnerable to unlimited consumption of resources

Description

@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`.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.10%
Affected: fastify fastify-multipart
Published at:
Updated at:

References

Link Tags
https://github.com/fastify/fastify-multipart/security/advisories/GHSA-27c6-mcxv-x3fh
https://github.com/fastify/fastify-multipart/issues/546
https://github.com/fastify/fastify-multipart/pull/567

Frequently Asked Questions

What is the severity of CVE-2025-24033?
CVE-2025-24033 has been scored as a high severity vulnerability.
How to fix CVE-2025-24033?
To fix CVE-2025-24033, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-24033 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-24033 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-24033?
CVE-2025-24033 affects fastify fastify-multipart.
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