CVE-2025-71395
HIGHSurrealDB before 2.2.2 Memory Exhaustion via string::replace
Title source: cnaDescription
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.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-3633-g6mg-p6qq)
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-3633-g6mg-p6qq
Third Party Advisory third-party-advisory
VulnCheck Advisory: SurrealDB before 2.2.2 Memory Exhaustion via string::replace
https://www.vulncheck.com/advisories/surrealdb-before-memory-exhaustion-via-string-replace
Scores
CVSS v4
7.1
EPSS
0.0024
EPSS Percentile
14.5%
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
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-789
Status
published
Products (6)
surrealdb/surrealdb
< 2.0.5
surrealdb/surrealdb
< 2.1.5
surrealdb/surrealdb
< 2.2.2
surrealdb/surrealdb
2.0.5
surrealdb/surrealdb
2.1.5
surrealdb/surrealdb
2.2.2
Published
Jul 18, 2026
Tracked Since
Jul 18, 2026