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CVE-2026-64644 is a denial-of-service vulnerability in Next.js affecting versions 15.5.0 through 15.5.20 and 16.0.0 through 16.2.10. The issue occurs in self-hosted deployments that use the default image loader and have remote image optimization enabled through configured remote image patterns. Under these conditions, the Image Optimization API can fetch and process remotely hosted images. If an attacker supplies a malicious image, including crafted SVG content, processing can trigger excessive CPU consumption in the image optimization path exposed through the framework’s image endpoint. The vulnerability is limited to configurations using configured remote image patterns and does not affect deployments that disable optimization, use a custom image loader, or run on Vercel-hosted infrastructure.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.