CVE-2026-119051
CVE-2026-119051 · flat through 6.0.1 Denial of Service via unflatten() Numeric Array Index Keys
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
flat through 6.0.1 contains an uncontrolled resource allocation vulnerability in unflatten() that allows attackers to create huge sparse arrays via unbounded numeric keys. Attackers can supply flattened keys such as a.4294967294, causing iteration with forEach, spread or JSON.stringify to block the Node.js event loop.
CVSS 8.2 · Alta · EPSS 0,3%
- Publicación
- Actualización
Productos y versiones afectados
flat
- Versiones
- ≥ 0, ≤ 6.0.1: Afectada (custom)
Sin corrección publicada
Fuentes originales
- https://github.com/hughsk/flat/issues/195
- https://github.com/hughsk/flat
- https://github.com/hughsk/flat/blob/1d68e1d06c0210cff31e5c61ac177f3e2d3fa564/index.js#L65-L75
- https://github.com/hughsk/flat/blob/1d68e1d06c0210cff31e5c61ac177f3e2d3fa564/index.js#L137-L142
- https://www.vulncheck.com/advisories/flat-through-6.0.1-denial-of-service-via-unflatten-numeric-array-index-keys
- https://nvd.nist.gov/vuln/detail/CVE-2026-119051