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

Synopsis:          Important: httpd security update
Advisory ID:       RHSA-2022:1138-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:1138
Issue date:        2022-03-30
CVE Names:         CVE-2021-44790 CVE-2022-22720 
=====================================================================

1. Summary:

An update for httpd is now available for Red Hat Enterprise Linux 7.4
Advanced Update Support.

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. Relevant releases/architectures:

Red Hat Enterprise Linux Server AUS (v. 7.4) - noarch, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64

3. Description:

The httpd packages provide the Apache HTTP Server, a powerful, efficient,
and extensible web server.

Security Fix(es):

* httpd: mod_lua: Possible buffer overflow when parsing multipart content
(CVE-2021-44790)

* httpd: Errors encountered during the discarding of request body lead to
HTTP request smuggling (CVE-2022-22720)

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.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, the httpd daemon will be restarted
automatically.

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

2034674 - CVE-2021-44790 httpd: mod_lua: Possible buffer overflow when parsing multipart content
2064321 - CVE-2022-22720 httpd: Errors encountered during the discarding of request body lead to HTTP request smuggling

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.4):

Source:
httpd-2.4.6-67.el7_4.9.src.rpm

noarch:
httpd-manual-2.4.6-67.el7_4.9.noarch.rpm

x86_64:
httpd-2.4.6-67.el7_4.9.x86_64.rpm
httpd-debuginfo-2.4.6-67.el7_4.9.x86_64.rpm
httpd-devel-2.4.6-67.el7_4.9.x86_64.rpm
httpd-tools-2.4.6-67.el7_4.9.x86_64.rpm
mod_session-2.4.6-67.el7_4.9.x86_64.rpm
mod_ssl-2.4.6-67.el7_4.9.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.4):

x86_64:
httpd-debuginfo-2.4.6-67.el7_4.9.x86_64.rpm
mod_ldap-2.4.6-67.el7_4.9.x86_64.rpm
mod_proxy_html-2.4.6-67.el7_4.9.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2021-44790
https://access.redhat.com/security/cve/CVE-2022-22720
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2022 Red Hat, Inc.
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