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GHSA-9g9p-9gw9-jx7f

Next.js self-hosted applications vulnerable to DoS via Image Optimizer remotePatterns configuration

Source: GitHub Advisory Database (reviewed) Moderate CVE-2025-59471

Packages

EcosystemPackageAffectedFixed in
npm next >= 10.0.0, < 15.5.10 15.5.10
npm next >= 15.6.0-canary.0, < 16.1.5 16.1.5

Details

As written in the advisory (Markdown source, shown as plain text).

A DoS vulnerability exists in self-hosted Next.js applications that have `remotePatterns` configured for the Image Optimizer. The image optimization endpoint (`/_next/image`) loads external images entirely into memory without enforcing a maximum size limit, allowing an attacker to cause out-of-memory conditions by requesting optimization of arbitrarily large images. This vulnerability requires that `remotePatterns` is configured to allow image optimization from external domains and that the attacker can serve or control a large image on an allowed domain. Strongly consider upgrading to 15.5.10 and 16.1.5 to reduce risk and prevent availability issues in Next applications.

References

External links from the advisory. They lead to third-party sites.