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6.5 Moyenne

CVE-2026-72636 Uncontrolled Recursion (CWE-674) in the Elasticsearch wildcard matching helper can lead to a denial of service via…

Description

Uncontrolled Recursion (CWE-674) in the Elasticsearch wildcard matching helper can lead to a denial of service via Excessive Allocation (CAPEC-130). The matcher used to resolve wildcard patterns against names is implemented recursively and had no bound on recursion depth or on the total number of match operations performed. A search request containing a wildcard pattern with a large number of wildcard groups, evaluated against a sufficiently long name, exhausts the thread stack. Elasticsearch treats a stack overflow as an unrecoverable condition and shuts the node down, so the request terminates the affected node rather than failing gracefully.

Produits et versions touchés

Produit Versions touchées Corrigé en
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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