CVE-2021-3629
HIGH7.5EPSS 0.29%Undertow Uncontrolled Resource Consumption
Published: 5/25/2022Modified: 4/28/2026
Description
A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final.
Affected packages (2)
- Debian/undertowfrom 0, < 2.2.12-1
- Maven/io.undertow:undertow-corefrom 0, < 2.0.40.Final
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |