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CVE-2026-44577 is a denial-of-service vulnerability in Next.js affecting self-hosted deployments that use the default image loader. In affected versions from 10.0.0 before 15.5.16 and before 16.2.5, the Image Optimization API can fetch local images entirely into memory without enforcing a maximum size limit. By sending requests to the image optimization endpoint for large local assets that are permitted by the images.localPatterns configuration, an attacker can force excessive memory consumption. Because local image fetching is broadly allowed by default, the vulnerable behavior can be reachable in common self-hosted configurations.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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.
3 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.