CVE-2018-12541

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CVSS 3.1

6.5 medium

EPSS

3%p85

Published

Oct 10, 2018 (Oct 10, 2018)

Modified

Jun 17, 2026

Description

In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There should be a reasonnable limit (8192 bytes) above which the WebSocket gets an HTTP response with the 413 status code and the connection gets closed.

Vendors: eclipse
Products: vert.x
Weakness: CWE-789, CWE-119
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.7%)

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