Out-of-bounds write in Redis - CVE-2025-32023
Published: July 7, 2025 / Updated: July 18, 2025
Vulnerability identifier: #VU112336
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2025-32023
CWE-ID: CWE-787
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 compromise vulnerable system.
The vulnerability exists due to a boundary error on hyperloglog operations. A remote user can trigger an out-of-bounds write and execute arbitrary code on the target system.
How to mitigate CVE-2025-32023
Install updates from vendor's website.