Seroval: fromJSON deserializer trusts node-supplied array length and sequence doneAt (unauthenticated event-loop DoS)

影響: npm:seroval <= 1.6.7 → 1.6.8

fromJSON and fromCrossJSON used two node fields without checking them. - An array node's element list was not checked to be an array. A small payload could set the length the decoder looped over. This part is also tracked in GHSA-wp97-x4hv-qvhp. - A sequence node's done index was not checked. A crafted value produced an iterator that never finished. Impact A service that passes untrusted input to fromJSON or fromCrossJSON can be made unavailable by an unauthenticated request. - The array case b…

GitHub Advisory Databaseで読む

2026/10/29 06:17、GitHub Advisory Databaseが「Seroval: fromJSON deserializer trusts node-supplied array length and sequence doneAt (unauthenticated event-loop DoS)」を公開しました (種別: 脆弱性アドバイザリ)。重大度は「重要」(high) です。関連する技術: JavaScript / Node.js。CVE: CVE-2026-116581。