RHSA-2021:3971: Important: Red Hat OpenStack Platform 10.0 (redis) security update

Published Oct 25, 2021
·
Updated

Redis is an advanced key-value store.<br>Security Fix(es):<br><li> Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626)</li> <li> Integer overflow issue with Streams (CVE-2021-32627)</li> <li> Integer overflow bug in the ziplist data structure (CVE-2021-32628)</li> <li> Denial of service via Redis Standard Protocol (RESP) request</li> (CVE-2021-32675)<br><li> Integer overflow issue with intsets (CVE-2021-32687)</li> <li> Integer overflow issue with strings (CVE-2021-41099)</li> For more details about the security issue(s), including the impact, a CVSS<br>score, acknowledgments, and other related information, refer to the CVE<br>page listed in the References section.

Affected Software

2 affected componentsFixes available
redhat/redis<3.2.8-5.el7
3.2.8-5.el7
redhat/redis-debuginfo<3.2.8-5.el7
3.2.8-5.el7

Remediation

Event History

Jan 30, 2025
Advisory Published
via Red Hat·01:51 PM
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Frequently Asked Questions

1

What is the severity of RHSA-2021:3971?

RHSA-2021:3971 is classified as high severity due to multiple vulnerabilities that could lead to serious exploitation risks.

2

How do I fix RHSA-2021:3971?

To fix RHSA-2021:3971, upgrade to the latest version of the Redis package that is patched against the identified vulnerabilities.

3

What vulnerabilities are addressed in RHSA-2021:3971?

RHSA-2021:3971 addresses vulnerabilities including CVE-2021-32626, CVE-2021-32627, and CVE-2021-32628, which involve stack overflow and integer overflow issues.

4

Which versions of Redis are affected by RHSA-2021:3971?

Redis versions up to and including 3.2.8-5.el7 are affected by RHSA-2021:3971.

5

Is there any workaround for RHSA-2021:3971?

There are no official workarounds for RHSA-2021:3971; the recommended action is to update to the patched version.

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