Description
A memory leak flaw was found in WildFly in all versions up to 21.0.0.Final, where host-controller tries to reconnect in a loop, generating new connections which are not properly closed while not able to connect to domain-controller. This flaw allows an attacker to cause an Out of memory (OOM) issue, leading to a denial of service. The highest threat from this vulnerability is to system availability.
Remediation
References
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25689
https://security.netapp.com/advisory/ntap-20201123-0006/
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