Integer overflow in Redis - CVE-2025-46817
Published: October 7, 2025 / Updated: February 6, 2026
Vulnerability identifier: #VU116639
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2025-46817
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Redis Labs
Affected software:
Redis
Redis
Detailed vulnerability description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing Lua scripts. A remote user can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2025-46817
Install updates from vendor's website.