CVE-2025-71395

Description

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.

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Weakness Type (CWE)

CWE-789 CWE-789

References

Other References

https://github.com/surrealdb/surrealdb/security/advisories/GHSA-3633-g6mg-p6qq https://www.vulncheck.com/advisories/surrealdb-before-memory-exhaustion-via-string-replace

Frequently Asked Questions

What is 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.

How do I check if I'm vulnerable to CVE-2025-71395? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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