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CVE-2025-67779 is a high-severity denial-of-service vulnerability in React Server Components caused by an incomplete remediation for CVE-2025-55184. The flaw affects the server-side deserialization path used to process payloads received over HTTP by Server Function endpoints in react-server-dom-webpack, react-server-dom-parcel, and react-server-dom-turbopack. A specially crafted request can be unsafely deserialized and trigger an infinite loop in the server process. Affected versions include 19.0.2, 19.1.3, and 19.2.2 of the impacted React Server Components packages. The issue is limited to server-side deployments that use React Server Components through a supporting framework, bundler, or plugin.
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Patch, then assume compromise.
No valid public exploits. Mallory filtered out 5 candidates 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.
49 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Sitefinity CVE mentioned only as part of prior advisory history.
A previously disclosed denial-of-service vulnerability in React Server Components.
Listed in the aggregated IOC CVE list without additional detail in the provided content.
A denial-of-service (DoS) vulnerability in React Server Components, with a CVSS score of 7.5, disclosed December 11, 2024.
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.