Vulnerability in Surrealdb
CVE-2025-71395
SurrealDB versions before 2.2.2 contain a memory exhaustion vulnerability in the string::replace function that fails to restrict resulting string length when using regex patterns. An authenticated attacker can craft a malicious query to exhaust server memory through unbounded string allocations, causing denial of service.
EPSS: 0.003 (16.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Surrealdb — versions 0, 2.2.2, 2.1.5
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71395?
- CVE-2025-71395 is a medium-severity vulnerability in Surrealdb, classified under CWE-789. CVSS score: 6.5/10. Published 2026-07-18.
- How severe is CVE-2025-71395?
- Medium severity. CVSS v3 base score is 6.5 out of 10.