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Unpatched XRING Flaw in XQUIC Lets Remote Clients Crash HTTP/3 Servers

🗓️ 10 Jul 2026 11:47:00Reported by The Hacker NewsType 
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🔗 thehackernews.com👁 5 Views

XRING flaw in XQUIC can crash HTTP/3 servers with 260 bytes of QPACK traffic; no patch yet.

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10 Jul 2026 11:47Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.18.1
CVSS 49.2
EPSS0.03225
SSVC
5