{"schema":"threatline.record/2","record":{"id":"GHSA-mcm9-63f2-9j32","aliases":["GHSA-mcm9-63f2-9j32"],"summary":"devalue: Repeated primitive strings cause quadratic expansion in uneval","details":"Under very constrained circumstances, data that was `parse`d and then passed to `uneval` could turn a small payload into a very large serialized string.","categories":["Libraries & packages"],"product":"devalue","vendor":"","ecosystem":"npm","affected_ranges":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-mcm9-63f2-9j32","source_modified_at":"2026-10-01T15:17:30Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"devalue"},"range":"<= 5.9.2"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-mcm9-63f2-9j32","source_modified_at":"2026-10-01T15:30:12.676095253Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"devalue","ecosystem":"npm","purl":"pkg:npm/devalue"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.9.3"}]}],"versions":[]}],"fixed_versions":[{"source":"GitHub Advisory Database","source_url":"https://github.com/advisories/GHSA-mcm9-63f2-9j32","source_modified_at":"2026-10-01T15:17:30Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"ecosystem":"npm","name":"devalue"},"version":"5.9.3"},{"source":"OSV","source_url":"https://osv.dev/vulnerability/GHSA-mcm9-63f2-9j32","source_modified_at":"2026-10-01T15:30:12.676095253Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"devalue","ecosystem":"npm","purl":"pkg:npm/devalue"},"version":"5.9.3"}],"cvss":8.2,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-01T15:17:29Z","modified_at":"2026-10-01T15:30:12.676095253Z","provenance":[{"source":"GitHub Advisory Database","url":"https://github.com/advisories/GHSA-mcm9-63f2-9j32","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-01T15:17:30Z"},{"source":"OSV","url":"https://osv.dev/vulnerability/GHSA-mcm9-63f2-9j32","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-01T15:30:12.676095253Z"}],"sources":["GitHub Advisory Database","OSV"],"references":[{"url":"https://github.com/sveltejs/devalue/security/advisories/GHSA-mcm9-63f2-9j32","source":"GitHub Advisory Database"},{"url":"https://github.com/sveltejs/devalue/commit/84f6f67999104e36940f744bec0443536de1b463","source":"GitHub Advisory Database"},{"url":"https://github.com/sveltejs/devalue/releases/tag/v5.9.3","source":"GitHub Advisory Database"},{"url":"https://github.com/advisories/GHSA-mcm9-63f2-9j32","source":"GitHub Advisory Database"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"ecosystem","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-01T15:30:12.676095253Z","content_hash":"b3a7801291e8760bbdd54c1c1e3566fbdb136eb32b15f0aeb6fe9b10666a40dd"}}