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6.3 Moyenne

CVE-2026-81725 NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows…

Description

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the read_block method through public APIs like words() and tagged_words() to force repeated rescans and achieve near-quadratic runtime growth.

Produits et versions touchés

Produit Versions touchées Corrigé en
nltk 3.10 premières → < 3.10.3 3.10.3

Références

Chronologie

  1. Publiée
  2. Dernière modification
Les 36 CVE de nltk →
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