{"id":"CVE-2026-109339","title":"SurrealDB 3.1.0 before 3.3.0 lets Surrealism modules exhaust server memory because module stdout/stderr lines are buffered unbounded in host memory, bypassing the configured module memory limit","summary":"SurrealDB 3.1.0 before 3.3.0 lets Surrealism modules exhaust server memory because module stdout/stderr lines are buffered unbounded in host memory, bypassing the configured module memory limit. An attacker can run an Owner-installed mal…","severity":"medium","cvss":4.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-770"],"published":"2026-10-12","updated":"2026-10-12","sourceUpdated":"2026-10-12T17:17:30.233","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-109339","references":[{"url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-jj89-wvrw-c4gp","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/surrealdb-3.1.0-before-3.3.0-memory-exhaustion-via-surrealism-module-output-buffering","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-12T18:00:08.207Z","slug":"CVE-2026-109339","body":"## Overview\n\nSurrealDB 3.1.0 before 3.3.0 lets Surrealism modules exhaust server memory because module stdout/stderr lines are buffered unbounded in host memory, bypassing the configured module memory limit. An attacker can run an Owner-installed malicious module that writes output without newlines, crashing the server and denying service to all namespaces and databases.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":27,"depthScoreParts":{"impact":27,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}