What’s Vulnerable › Vulnerabilities

CVE-2025-48367: Redis DoS Vulnerability due to bad connection error handling

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-07 · updated 2026-06-17
• Weakness: CWE-770

Description

Redis is an open source, in-memory database that persists on disk. An unauthenticated connection can cause repeated IP protocol errors, leading to client starvation and, ultimately, a denial of service. This vulnerability is fixed in 8.0.3, 7.4.5, 7.2.10, and 6.2.19.

Affected products

• Redis: before 6.2.19; from 7.0 before 7.2.10; from 7.4.0 before 7.4.5; from 8.0.0 before 8.0.3 — fixed in 6.2.19, 7.2.10, 7.4.5, 8.0.3

How to fix

Upgrade to a fixed version: Redis 6.2.19, 7.2.10, 7.4.5, 8.0.3. Check the vendor advisory for mitigations.

References

• https://github.com/redis/redis/commit/bde62951accfc4bb0a516276fd0b4b307e140ce2
• https://github.com/redis/redis/releases/tag/6.2.19
• https://github.com/redis/redis/releases/tag/7.2.10
• https://github.com/redis/redis/releases/tag/7.4.5
• https://github.com/redis/redis/releases/tag/8.0.3
• https://github.com/redis/redis/security/advisories/GHSA-4q32-c38c-pwgq

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