CVE-2025-46817

CVE-2025-46817 is a high-severity vulnerability in Redis with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

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.

Frequently asked questions

What is CVE-2025-46817?
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.
How severe is CVE-2025-46817?
CVE-2025-46817 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-46817 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-46817?
CVE-2025-46817 affects Redis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-46817?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-46817 have an EU (EUVD) identifier?
Yes. CVE-2025-46817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-33202.
When was CVE-2025-46817 published?
CVE-2025-46817 was published on 2025-10-03 and last updated on 2026-06-17.

References

Affected products (1)

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