{"schema":"threatline.record/2","record":{"id":"CVE-2026-109339","aliases":["GHSA-jj89-wvrw-c4gp"],"summary":"SurrealDB 3.1.0 before 3.3.0 Memory Exhaustion via Surrealism Module Output Buffering","details":"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 malicious module that writes output without newlines, crashing the server and denying service to all namespaces and databases.","categories":["Unclassified"],"product":"surrealdb","vendor":"surrealdb","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109339","source_modified_at":"2026-10-13T16:53:58.068Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"surrealdb","vendor":"surrealdb","versions":[{"version":"3.1.0","status":"affected","versionType":"semver","lessThan":"3.3.0"},{"version":"3.3.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109339","source_modified_at":"2026-10-13T16:53:58.068Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"surrealism-runtime","vendor":"surrealdb","versions":[{"version":"0.3.0","status":"affected","versionType":"semver","lessThan":"0.6.0"},{"version":"0.6.0","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109339","source_modified_at":"2026-10-13T16:53:58.068Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"surrealdb","ecosystem":null},"version":"3.3.0","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109339","source_modified_at":"2026-10-13T16:53:58.068Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"surrealism-runtime","ecosystem":null},"version":"0.6.0","basis":"first unaffected version stated in the CVE record"}],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00375,"percentile":0.30285,"score_date":"2026-10-23"},"published_at":"2026-10-12T16:05:25.820Z","modified_at":"2026-10-13T16:53:58.068Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109339","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T16:53:58.068Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109339","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/surrealdb/surrealdb/security/advisories/GHSA-jj89-wvrw-c4gp","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/surrealdb-3.1.0-before-3.3.0-memory-exhaustion-via-surrealism-module-output-buffering","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T15:48:47.960937Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T16:53:58.068Z","content_hash":"826868ce7d1b1b5b705a6e93be641fdfd1253677a10850e0fd0e8888f8ee6d90"}}