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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: Red Hat JBoss Enterprise Application Platform 7.4 security update
Advisory ID:       RHSA-2021:3218-01
Product:           Red Hat JBoss Enterprise Application Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3218
Issue date:        2021-08-18
CVE Names:         CVE-2021-3690 
=====================================================================

1. Summary:

A security update is now available for Red Hat JBoss Enterprise Application
Platform 7.4.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Description:

Red Hat JBoss Enterprise Application Platform 7 is a platform for Java
applications based on the WildFly application runtime.

This asynchronous patch is a security update for Red Hat JBoss Enterprise
Application Platform 7.4.

Security Fix(es):

* undertow: buffer leak on incoming websocket PONG message may lead to DoS
(CVE-2021-3690)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, see the CVE page(s) listed in the
References section.

3. Solution:

Before applying this update, back up your existing Red Hat JBoss Enterprise
Application Platform installation and deployed applications.

The References section of this erratum contains a download link (you must
log in to download the update).

4. Bugs fixed (https://bugzilla.redhat.com/):

1991299 - CVE-2021-3690 undertow: buffer leak on incoming websocket PONG message may lead to DoS

5. References:

https://access.redhat.com/security/cve/CVE-2021-3690
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=appplatform&version=7.4
https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.4/
https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.4/html-single/installation_guide/

6. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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