← Volver al buscador de CVEs

CVE-2026-78681

NLTK

Descripción

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%Riesgo 0.77
Ver fuente
Publicación
2026-08-25 02:16:52
Versiones afectadas
<3.10.3
Tipo
Librería
Última modificación
2026-08-26 17:17:15
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H