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Node.js: Memory leak in Node.js HTTP/2 server via WINDOW_UPDATE on stream 0 leads to resource exhaustion

🗓️ 30 Jan 2026 14:35:13Reported by galbarnahumType 
hackerone
 hackerone
🔗 hackerone.com👁 4 Views

Node.js HTTP/2 server memory leak caused by WINDOW_UPDATE on stream zero leads to resource exhaustion.

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30 Mar 2026 16:41Current
6.2Medium risk
Vulners AI Score6.2
CVSS 35.3
EPSS0.00019
SSVC
4