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GHSA-wf3x-273g-mvxv

GHSA-wf3x-273g-mvxv · devalue: Sparse arrays emitted by uneval cause eager allocation when evaluated

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Evaluating legitimate `uneval` output for a sparse array can allocate memory proportional to its declared length. A tiny serialized value can therefore cause large memory allocation in a consuming browser/runtime. This occurs during evaluation of generated code, not in default `parse` sparse-array construction. You would only be affected by this if you were serializing very large sparse arrays and then evaluating the results. In the general use case for `uneval` of sending data to the client, the worst that could happen is the browser tab running out of memory.

CVSS 2.3 · Faible · Correctif disponible

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Pile logicielle: node

Produits et versions concernés

  • devalue npm

    Plages de versions concernées
    • SEMVER: ≥ 1.0.0, < 5.9.3

    Mettez à jour vers 5.9.3

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