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Medium · 5.3 CVE-2026-47874 EUVD-2026-66831GHSA-fg4q-58fc-39w8

Reactor Netty HTTP Server Denial of Service With Pipelined Requests

Published Aug 26, 2026 · Updated Aug 27, 2026 · Assigned by vmware

Description

The vulnerability occurs when a client sends HTTP/1.1 pipelined requests over a single connection, causing the Reactor Netty HTTP server to consume an excessive amount of memory.
Reactor Netty 1.3.0 - 1.3.6
Reactor Netty 1.1.0 - 1.2.18
Reactor Netty 1.0.52 and earlier

Affected products

VendorProductAffectedFixed
Spring Reactor Netty 1.3.0 – ≤ 1.3.6, 1.1.0 – ≤ 1.2.18, ≤ 1.0.52 —

References