| Package | Affected versions | Patched versions |
|---|---|---|
| next.js | ≥ 10.0.0, < 16.1.7 | 16.1.7 |
| next | ≥ 10.0.0, < 15.5.14≥ 16.0.0-beta.0, < 16.1.7 | 15.5.1416.1.7 |
The default Next.js image optimization disk cache (/_next/image) did not have a configurable upper bound, allowing unbounded cache growth.
An attacker could generate many unique image-optimization variants and exhaust disk space, causing denial of service. Note that this does not impact platforms that have their own image optimization capabilities, such as Vercel.
Fixed by adding an LRU-backed disk cache with images.maximumDiskCacheSize, including eviction of least-recently-used entries when the limit is exceeded. Setting maximumDiskCacheSize: 0 disables disk caching.
If upgrade is not immediately possible:
.next/cache/images.images.localPatterns, images.remotePatterns, and images.qualities)Running one of these products? Scan your site to see whether it exposes a vulnerable version.
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