CVE-2021-3629: Uncontrolled Resource Consumption in Undertow

May 24, 2022 (updated February 7, 2023)

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.

References

bugzilla.redhat.com/show_bug.cgi?id=1977362
github.com/advisories/GHSA-rf6q-vx79-mjxr
nvd.nist.gov/vuln/detail/CVE-2021-3629

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