CVE-2021-3597

A flaw was found in undertow. The HTTP2SourceChannel fails to write the
final frame under some circumstances, resulting in a denial of service. The
highest threat from this vulnerability is availability. This flaw affects
Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to
2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior to
2.0.39.Final.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=989861&gt;