{"id":"CVE-2025-71395","sourceIdentifier":"disclosure@vulncheck.com","published":"2026-07-18T14:17:10.963","lastModified":"2026-10-29T21:17:06.190","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Las versiones de SurrealDB anteriores a la 2.2.2 contienen una vulnerabilidad de agotamiento de memoria en la función string::replace que no restringe la longitud de la cadena resultante al usar patrones de expresiones regulares. Un atacante autenticado puede crear una consulta maliciosa para agotar la memoria del servidor a través de asignaciones de cadenas ilimitadas, causando denegación de servicio."}],"affected":[{"source":"disclosure@vulncheck.com","affectedData":[{"vendor":"surrealdb","product":"surrealdb","defaultStatus":"unaffected","packageURL":"pkg:cargo/surrealdb","versions":[{"version":"2.2.0","lessThan":"2.2.2","versionType":"semver","status":"affected"},{"version":"2.2.2","versionType":"semver","status":"unaffected"}]},{"vendor":"surrealdb","product":"surrealdb","defaultStatus":"unaffected","packageURL":"pkg:cargo/surrealdb","versions":[{"version":"2.1.0","lessThan":"2.1.5","versionType":"semver","status":"affected"},{"version":"2.1.5","versionType":"semver","status":"unaffected"}]},{"vendor":"surrealdb","product":"surrealdb","defaultStatus":"unaffected","packageURL":"pkg:cargo/surrealdb","versions":[{"version":"0","lessThan":"2.0.5","versionType":"semver","status":"affected"},{"version":"2.0.5","versionType":"semver","status":"unaffected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-22T19:09:25.666132Z","id":"CVE-2025-71395","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"disclosure@vulncheck.com","type":"Secondary","description":[{"lang":"en","value":"CWE-789"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*","versionEndExcluding":"2.0.5","matchCriteriaId":"D8978D31-3395-4155-8DFF-99FED3F8D7DA"},{"vulnerable":true,"criteria":"cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*","versionStartIncluding":"2.1.0","versionEndExcluding":"2.1.5","matchCriteriaId":"0D7A2AEC-83EE-46CC-BC91-D5EA1B841E96"},{"vulnerable":true,"criteria":"cpe:2.3:a:surrealdb:surrealdb:*:*:*:*:*:*:*:*","versionStartIncluding":"2.2.0","versionEndExcluding":"2.2.2","matchCriteriaId":"B4D2EDCC-A5D1-477A-ADA9-A32389A7D0BE"}]}]}],"references":[{"url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-3633-g6mg-p6qq","source":"disclosure@vulncheck.com","tags":["Vendor Advisory"]},{"url":"https://www.vulncheck.com/advisories/surrealdb-before-memory-exhaustion-via-string-replace","source":"disclosure@vulncheck.com","tags":["Third Party Advisory"]}]}