CVE-2023-25155

Name: CVE-2023-25155
Creator: NVD / NIST
Published: 2023-03-02T04:15:10.807+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.90%

Last modified Jun 17, 2026

CVE-2023-25155 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Redis is an in-memory database that persists on disk. Authenticated users issuing specially crafted `SRANDMEMBER`, `ZRANDMEMBER`, and `HRANDFIELD` commands can trigger an integer overflow, resulting in a runtime assertion and termination of the Redis server process. EPSS estimates a 0.90% chance of exploitation in the next 30 days.

Description

Redis is an in-memory database that persists on disk. Authenticated users issuing specially crafted `SRANDMEMBER`, `ZRANDMEMBER`, and `HRANDFIELD` commands can trigger an integer overflow, resulting in a runtime assertion and termination of the Redis server process. This problem affects all Redis versions. Patches were released in Redis version(s) 6.0.18, 6.2.11 and 7.0.9.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.90%

55.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redis	Redis	< 6.0.18
Redis	Redis	>= 6.2.0, < 6.2.11
Redis	Redis	>= 7.0.0, < 7.0.9

References

https://github.com/redis/redis/commit/2a2a582e7cd99ba3b531336b8bd41df2b566e619Patch
https://github.com/redis/redis/releases/tag/6.0.18Release Notes
https://github.com/redis/redis/releases/tag/6.2.11Release Notes
https://github.com/redis/redis/releases/tag/7.0.9Release Notes
https://github.com/redis/redis/security/advisories/GHSA-x2r7-j9vw-3w83Vendor Advisory
https://github.com/redis/redis/commit/2a2a582e7cd99ba3b531336b8bd41df2b566e619Patch
https://github.com/redis/redis/releases/tag/6.0.18Release Notes
https://github.com/redis/redis/releases/tag/6.2.11Release Notes
https://github.com/redis/redis/releases/tag/7.0.9Release Notes
https://github.com/redis/redis/security/advisories/GHSA-x2r7-j9vw-3w83Vendor Advisory

Timeline

Published: Mar 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-25155?

How severe is CVE-2023-25155?

CVE-2023-25155 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.90% probability of exploitation in the next 30 days.

How do I fix CVE-2023-25155?

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-2023-25155?

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

Scan your code now

Source: NVD / NIST