vulnerability · Fri 02 Oct 2026 · 16:16 UTC
CVE-2026-104845: Seroval facilitates JS value stringification, including complex structures beyond
Filed UTCSource GTH ↗
Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. Prior to 1.6.3, deserializeTypedArray in fromJSON and fromCrossJSON trusts a deserialized source value as an ArrayBuffer and does not bound the serialized element count. An attacker can provide a small untrusted JSON object with a large length value, causing the array-like TypedArray constructor to synchronously allocate the selected number of elements and exhaust CPU or memory while starving the event loop. …
Signals
as the pipeline stamped them- High
- High-risk vulnerability — CVSS 7.5
CVE
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-104845 | — | 0.43% | NVD ↗ |
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