CVE-2025-71395

EUVD-2025-210486
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 16.77%
Affected Products (NVD)
VendorProductVersion
surrealdbsurrealdb
𝑥
< 2.0.5
surrealdbsurrealdb
2.1.0 ≤
𝑥
< 2.1.5
surrealdbsurrealdb
2.2.0 ≤
𝑥
< 2.2.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-3633-g6mg-p6qq
https://www.vulncheck.com/advisories/surrealdb-before-memory-exhaustion-via-string-replace