Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2025-11680

Gravedad CVSS v4.0:
MEDIA
Tipo:
CWE-787 Escritura fuera de límites
Fecha de publicación:
20/10/2025
Última modificación:
21/10/2025

Descripción

*** Pendiente de traducción *** Out-of-bounds Write in unfilter_scanline in warmcat libwebsockets allows, when the LWS_WITH_UPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a crafted PNG file with a big width value that causes an integer overflow which value is used for determining the size of a heap allocation.