CVE-2023-22458

Name: CVE-2023-22458
Creator: NVD / NIST
Published: 2023-01-20T19:15:17.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 69.36%

Last modified Jun 17, 2026

CVE-2023-22458 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Redis is an in-memory database that persists on disk. Authenticated users can issue a `HRANDFIELD` or `ZRANDMEMBER` command with specially crafted arguments to trigger a denial-of-service by crashing Redis with an assertion failure. EPSS estimates a 69.36% chance of exploitation in the next 30 days.

Description

Redis is an in-memory database that persists on disk. Authenticated users can issue a `HRANDFIELD` or `ZRANDMEMBER` command with specially crafted arguments to trigger a denial-of-service by crashing Redis with an assertion failure. This problem affects Redis versions 6.2 or newer up to but not including 6.2.9 as well as versions 7.0 up to but not including 7.0.8. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

69.36%

99.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redis	Redis	>= 6.2.0, < 6.2.9
Redis	Redis	>= 7.0.0, < 7.0.8

References

https://github.com/redis/redis/commit/16f408b1a0121cacd44cbf8aee275d69dc627f02Patch, Third Party Advisory
https://github.com/redis/redis/releases/tag/6.2.9Release Notes, Third Party Advisory
https://github.com/redis/redis/releases/tag/7.0.8Release Notes, Third Party Advisory
https://github.com/redis/redis/security/advisories/GHSA-r8w2-2m53-gprjThird Party Advisory
https://github.com/redis/redis/commit/16f408b1a0121cacd44cbf8aee275d69dc627f02Patch, Third Party Advisory
https://github.com/redis/redis/releases/tag/6.2.9Release Notes, Third Party Advisory
https://github.com/redis/redis/releases/tag/7.0.8Release Notes, Third Party Advisory
https://github.com/redis/redis/security/advisories/GHSA-r8w2-2m53-gprjThird Party Advisory

Timeline

Published: Jan 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-22458?

How severe is CVE-2023-22458?

CVE-2023-22458 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 69.36% probability of exploitation in the next 30 days.

How do I fix CVE-2023-22458?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-22458?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST