Description
A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.
Remediation
References
https://access.redhat.com/security/cve/CVE-2021-3859
https://bugzilla.redhat.com/show_bug.cgi?id=2010378
https://github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2
https://github.com/undertow-io/undertow/pull/1296
https://issues.redhat.com/browse/UNDERTOW-1979
https://security.netapp.com/advisory/ntap-20221201-0004/
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