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CVE-2026-78681

NLTK

Descrição

NLTK versions before 3.10.3 use xml.etree.ElementTree to parse XML in multiple modules, which honors entity declarations in document DTDs. Attackers can craft XML payloads with nested entity declarations that expand from hundreds of bytes to megabytes in memory, causing denial of service.

CVSS 7.5EPSS 0.27799999999999997%Risco 0.77
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Publicação
2026-08-25 02:16:52
Versões afetadas
<3.10.3
Tipo
Biblioteca
Última alteração
2026-08-26 17:17:15
Vetor
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H