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HTTP/2 Resource Loop DoS (CVE-2019-9513)


Sep 09, 2026

Summary

Malicious HTTP/2 priority trees can cause excessive CPU consumption.


Vulnerability ID Vulnerability Overview
CVE-2019-9513 An attacker creates multiple request streams and continually shuffles their priority, forcing the server to expend excessive CPU resources rebuilding the priority tree.


Affected Supported TeraStations

TS5010/3020/3010
Fixed in firmware version 6.12
 

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Date Description
09/09/2026 Initial release


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