CVE-2026-93752
Gravedad CVSS v4.0:
ALTA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
18/09/2026
Última modificación:
22/09/2026
Descripción
*** Pendiente de traducción *** CSSOM through 0.5.0 contains a denial of service vulnerability in CSSStyleDeclaration.setProperty() that fails to validate reserved property names. Attackers can supply a stylesheet with a declaration named length to replace the internal counter and trigger excessive memory allocation during cssText serialization, causing process termination.
Impacto
Puntuación base 4.0
8.70
Gravedad 4.0
ALTA
Puntuación base 3.x
7.50
Gravedad 3.x
ALTA
Referencias a soluciones, herramientas e información
- https://github.com/NV/CSSOM
- https://github.com/NV/CSSOM/blob/00ec21868e12422581c81779135c2f1648441204/lib/CSSStyleDeclaration.js#L112-L124
- https://github.com/NV/CSSOM/blob/00ec21868e12422581c81779135c2f1648441204/lib/CSSStyleDeclaration.js#L41-L56
- https://github.com/NV/CSSOM/issues/119
- https://www.vulncheck.com/advisories/cssom-through-0.5.0-denial-of-service-via-length-property
- https://github.com/NV/CSSOM/issues/119


