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…

Read on GitHub Advisory Database

On 10/29/2026, 06:17 AM, GitHub Advisory Database published "Seroval: fromJSON deserializer trusts node-supplied array length and sequence doneAt (unauthenticated event-loop DoS)" (type: Advisory). Severity is "High" (high). Related technologies: JavaScript / Node.js. CVE: CVE-2026-116581.