CVE-2025-55152

oak: ReDoS in x-forwarded-proto and x-forwarded-for headers

Description

oak is a middleware framework for Deno's native HTTP server, Deno Deploy, Node.js 16.5 and later, Cloudflare Workers and Bun. In versions 17.1.5 and below, it's possible to significantly slow down an oak server with specially crafted values of the x-forwarded-proto or x-forwarded-for headers.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Affected: oakserver oak
Published at:
Updated at:

References

Link Tags
https://github.com/oakserver/oak/security/advisories/GHSA-r3v7-pc4g-7xp9
https://github.com/oakserver/oak/commit/b60e60330ef227707c4dc13ef0ea36192d894f44

Frequently Asked Questions

What is the severity of CVE-2025-55152?
CVE-2025-55152 has been scored as a medium severity vulnerability.
How to fix CVE-2025-55152?
To fix CVE-2025-55152, 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-2025-55152 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-55152 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-2025-55152?
CVE-2025-55152 affects oakserver oak.
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