A Red Hat JBoss Web Server 5.5.1 security update has been released for Red Hat Enterprise Linux 7 and 8.

RHSA-2021:3743-01: Important: Red Hat JBoss Web Server 5.5.1 Security Update

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Red Hat Security Advisory

Synopsis: Important: Red Hat JBoss Web Server 5.5.1 Security Update
Advisory ID: RHSA-2021:3743-01
Product: Red Hat JBoss Web Server
Advisory URL:   https://access.redhat.com/errata/RHSA-2021:3743
Issue date: 2021-10-06
CVE Names: CVE-2021-41079
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1. Summary:

Red Hat JBoss Web Server 5.5.1 zip release is now available for Red Hat
Enterprise Linux 7, Red Hat Enterprise Linux 8, and Microsoft Windows.

Red Hat Product Security has rated this release 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 Web Server is a fully integrated and certified set of
components for hosting Java web applications. It is comprised of the Apache
Tomcat Servlet container, JBoss HTTP Connector (mod_cluster), the
PicketLink Vault extension for Apache Tomcat, and the Tomcat Native
library.

This release of Red Hat JBoss Web Server 5.5.1 serves as a replacement for
Red Hat JBoss Web Server 5.5.0, and includes bug fixes, enhancements and
component upgrades, which are documented in the Release Notes, linked to in
the References.

Security Fix(es):

* tomcat: Apache Tomcat DoS with unexpected TLS packet (CVE-2021-41079)

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

3. Solution:

Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.

The References section of this erratum contains a download link for the
update. You must be logged in to download the update.

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

2004820 - CVE-2021-41079 tomcat: Infinite loop while reading an unexpected TLS packet when using OpenSSL JSSE engine

5. References:

  https://access.redhat.com/security/cve/CVE-2021-41079
  https://access.redhat.com/security/updates/classification/#important

6. Contact:

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

Copyright 2021 Red Hat, Inc.