CVE-2025-59471 (GCVE-0-2025-59471)

Vulnerability from cvelistv5 – Published: 2026-01-26 21:43 – Updated: 2026-01-27 14:55
VLAI
Summary
A denial of service 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 or 16.1.5 to reduce risk and prevent availability issues in Next applications.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-27 14:54 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version CPE status
vercel next Affected: 10.0 , < 10.0 (semver)
Affected: 11.0 , < 11.0 (semver)
Affected: 12.0 , < 12.0 (semver)
Affected: 13.0 , < 13.0 (semver)
Affected: 14.0 , < 14.0 (semver)
Affected: 15.0 , < 15.5.10 (semver)
Affected: 16.0 , < 16.1.5 (semver)
guessed Create a notification for this product.
Show details on NVD website
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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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