CVE-2025-71395: SurrealDB before 2.2.2 Memory Exhaustion via string::replace
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
SurrealDBto a version that resolves this vulnerability.Fixed in 2.2.2
Event History
Frequently Asked Questions
What is the severity of CVE-2025-71395?
CVE-2025-71395 has a high severity rating of 7.1 according to the CVSS scoring system.
How do I fix CVE-2025-71395?
To mitigate CVE-2025-71395, upgrade SurrealDB to version 2.2.2 or later where the vulnerability is addressed.
What causes the vulnerability in CVE-2025-71395?
CVE-2025-71395 is caused by the string::replace function that allows for memory exhaustion through unbounded string allocations with certain regex patterns.
Who can exploit CVE-2025-71395?
An authenticated attacker can exploit CVE-2025-71395 by crafting a malicious query that triggers the memory exhaustion.
What impacts could CVE-2025-71395 have on a system?
Exploitation of CVE-2025-71395 can lead to server memory exhaustion, potentially causing system downtime or degraded performance.