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6.5 Moyenne

CVE-2026-72687 A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single small request containing a…

Description

A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single small request containing a forged opaque identifier. Elasticsearch decodes and deserializes the identifier before confirming that it was legitimately issued by the cluster, and a size value carried inside the identifier drives an allocation that is neither capped nor accounted for by the available memory-usage controls. The resulting out-of-memory condition is fatal and terminates the affected node process, resulting in a denial of service.

Produits et versions touchés

Produit Versions touchées Corrigé en
Elasticsearch 9.5.0 Pas de correctif indiqué
Elasticsearch 9.0 9.0.0 → 9.4.4 Pas de correctif indiqué
Elasticsearch 8.0 8.0.0 → 8.19.19 Pas de correctif indiqué

Références

Chronologie

  1. Publiée
  2. Dernière modification

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