CVE-2025-48367
redis: Redis Unauthenticated Denial of Service
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 8, 2025
Updated · October 31, 2026
Description
A flaw was found in Redis. Unauthenticated connections can trigger repeated IP protocol errors, leading to client starvation and an application-level denial of service. This flaw allows an attacker to induce this condition without authentication. This issue results in a denial of service condition for connected clients. The root cause is related to the improper handling of network traffic.
Statement
The severity of this vulnerability is rated Moderate as it does not impact system availability. The effects are confined to the application layer without compromising the underlying system stability.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-770 · Allocation of Resources Without Limits or Throttling