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Vulnerability record · CVE-2025-46817 · published 3 October 2025

CVE-2025-46817: Redis integer overflow vulnerability

Redis · Redis

Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted Lua script to cause an integer overflow and potentially lead to remote code execution The problem exists in all versions of Redis with Lua scripting. This issue is fixed in version 8.2.2.

8.8 CVSS 3.1 High EPSS 3.8% · top 10.3% CWE-190 · Integer overflow
8.8CVSS 3.1 base score
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted Lua script to cause an integer overflow and potentially lead to remote code execution The problem exists in all versions of Redis with Lua scripting. This issue is fixed in version 8.2.2.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/redis/redis/commit/fc9abc775e308374f667fdf3e723ef4b7eb0e3ca Patch
https://github.com/redis/redis/releases/tag/8.2.2 Release Notes
https://github.com/redis/redis/security/advisories/GHSA-m8fj-85cg-7vhp Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-46817), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.