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

Synopsis:          Important: Red Hat OpenStack Platform 10.0 (redis) security update
Advisory ID:       RHSA-2021:3971-01
Product:           Red Hat OpenStack Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3971
Issue date:        2021-10-25
CVE Names:         CVE-2021-32626 CVE-2021-32627 CVE-2021-32628 
                   CVE-2021-32675 CVE-2021-32687 CVE-2021-41099 
=====================================================================

1. Summary:

An update for redis is now available for Red Hat OpenStack Platform 10
(Newton).

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 OpenStack Platform 10.0 - x86_64

3. Description:

Redis is an advanced key-value store.

Security Fix(es):

* Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626)

* Integer overflow issue with Streams (CVE-2021-32627)

* Integer overflow bug in the ziplist data structure (CVE-2021-32628)

* Denial of service via Redis Standard Protocol (RESP) request
(CVE-2021-32675)

* Integer overflow issue with intsets (CVE-2021-32687)

* Integer overflow issue with strings (CVE-2021-41099)

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

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

2010991 - CVE-2021-32687 redis: Integer overflow issue with intsets
2011000 - CVE-2021-32675 redis: Denial of service via Redis Standard Protocol (RESP) request
2011004 - CVE-2021-32628 redis: Integer overflow bug in the ziplist data structure
2011010 - CVE-2021-32627 redis: Integer overflow issue with Streams
2011017 - CVE-2021-32626 redis: Lua scripts can overflow the heap-based Lua stack
2011020 - CVE-2021-41099 redis: Integer overflow issue with strings

6. Package List:

Red Hat OpenStack Platform 10.0:

Source:
redis-3.2.8-5.el7ost.src.rpm

x86_64:
redis-3.2.8-5.el7ost.x86_64.rpm
redis-debuginfo-3.2.8-5.el7ost.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-2021-32626
https://access.redhat.com/security/cve/CVE-2021-32627
https://access.redhat.com/security/cve/CVE-2021-32628
https://access.redhat.com/security/cve/CVE-2021-32675
https://access.redhat.com/security/cve/CVE-2021-32687
https://access.redhat.com/security/cve/CVE-2021-41099
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 2021 Red Hat, Inc.
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