CVE-2025-46817
High
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.
SeverityHigh
CVSS7.0
Exploit probability90. percentile3.9%
Product
Redis
PublishedOct 3, 2025
First seenOct 3, 2025
Weakness typeCWE-190Integer overflow
How to fix
Update
- redis redis6.2.20, 7.2.11, 7.4.6, 8.0.4, 8.2.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redis redis | v < 6.2.20, 7.0 ≤ v < 7.2.11, 7.4.0 ≤ v < 7.4.6, 8.0.0 ≤ v < 8.0.4, 8.2.0 ≤ v < 8.2.2 | 6.2.20, 7.2.11, 7.4.6, 8.0.4, 8.2.2 |
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