CVE-2018-12541
Excessive memory allocation
6.5
MEDIUM
CVSS 3.1
EPSS 1.3%
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.
How to fix CVE-2018-12541
To remediate CVE-2018-12541, upgrade the affected package to a fixed version below.
- —upgrade to 3.5.4 or later
Is CVE-2018-12541 being exploited?
Low — EPSS is 1.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 3.0.0, < 3.5.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |