QID 239916

Date Published: 2021-12-01

QID 239916: Red Hat Update for red hat jboss web server 5.6.0 (RHSA-2021:4861)

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.

Security Fix(es):
  • tomcat: outofmemoryerror caused by http upgrade connection leak could lead to dos (cve-2021-42340)
  • tomcat: http request smuggling when used with a reverse proxy (cve-2021-33037)
  • tomcat: jndi realm authentication weakness (cve-2021-30640)

Affected Products:

  • jboss enterprise web server 5 for rhel 8 x86_64
  • jboss enterprise web server 5 for rhel 7 x86_64



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.8 severity.
    • Solution
    Upgrade to the latest packages which contain a patch.

    Refer to Refer to :
    Applying Package Updates to RHEL system     for details.

    Refer to Red Hat security advisory RHSA-2021:4861 Update to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239916

    CVE-2021-30640 | CVE-2021-33037 | CVE-2021-42340 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:4861 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:4861
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