medium
5.3
CWE
125
Advisory Published
Updated

CVE-2021-32672

First published: Mon Oct 04 2021(Updated: )

Redis is an open source, in-memory database that persists on disk. When using the Redis Lua Debugger, users can send malformed requests that cause the debugger’s protocol parser to read data beyond the actual buffer. This issue affects all versions of Redis with Lua debugging support (3.2 or newer). The problem is fixed in versions 6.2.6, 6.0.16 and 5.0.14.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
Redis Redis>=3.2.0<5.0.14
Redis Redis>=6.0.0<6.0.16
Redis Redis>=6.2.0<6.2.6
Redhat Software Collections
Redhat Enterprise Linux=8.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0
Fedoraproject Fedora=33
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Netapp Management Services For Element Software
Netapp Management Services For Netapp Hci
Oracle Communications Operations Monitor=4.3
Oracle Communications Operations Monitor=4.4
Oracle Communications Operations Monitor=5.0
debian/redis
5:5.0.14-1+deb10u2
5:5.0.14-1+deb10u5
5:6.0.16-1+deb11u2
5:7.0.11-1
5:7.0.14-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-32672?

    CVE-2021-32672 is a vulnerability in Redis that allows users to send malformed requests to the Redis Lua Debugger.

  • How severe is CVE-2021-32672?

    CVE-2021-32672 has a severity rating of 4.3, which is considered medium.

  • What versions of Redis are affected by CVE-2021-32672?

    This vulnerability affects all versions of Redis with Lua debugging support (3.2 or newer).

  • How can I fix CVE-2021-32672?

    To fix CVE-2021-32672, you should update Redis to version 6.2.6 or apply the appropriate remediation provided by your operating system or package manager.

  • Where can I find more information about CVE-2021-32672?

    You can find more information about CVE-2021-32672 on the GitHub security advisory page (https://github.com/redis/redis/security/advisories/GHSA-9mj9-xx53-qmxm) or the Redis GitHub repository (https://github.com/redis/redis/commit/6ac3c0b7abd35f37201ed2d6298ecef4ea1ae1dd).

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