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CVE-2026-93558

7.5 high SSVC exploitation: poc Awaiting Analysis
NVD · CVE.org

A flaw was found in Netty's WebSocketServerExtensionHandler. A remote, unauthenticated attacker can exploit this vulnerability by using HTTP/1.1 pipelining to send requests faster than the application can respond. This leads to an unbounded growth of a per-connection queue, consuming excessive memory. Eventually, this can cause the Java Virtual Machine (JVM) to exhaust its heap, resulting in a Denial of Service (DoS) for the affected server.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. References+1 references (now 7)NVD modified 2026-10-15 17:17
  2. First seenCVSS 7.5NVD modified 2026-10-10 00:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 7