CVE-2026-3463
Gravedad CVSS v4.0:
MEDIA
Tipo:
CWE-119
Restricción de operaciones inapropiada dentro de los límites del búfer de la memoria
Fecha de publicación:
03/03/2026
Última modificación:
03/03/2026
Descripción
*** Pendiente de traducción *** A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::binary_writer::append of the file source/detail/binary.hpp of the component Compound Document Parser. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. Patch name: 147. It is suggested to install a patch to address this issue.
Impacto
Puntuación base 4.0
4.80
Gravedad 4.0
MEDIA
Puntuación base 3.x
3.30
Gravedad 3.x
BAJA
Puntuación base 2.0
1.70
Gravedad 2.0
BAJA
Referencias a soluciones, herramientas e información
- https://github.com/oneafter/0128/blob/main/xl2/repro
- https://github.com/xlnt-community/xlnt/
- https://github.com/xlnt-community/xlnt/issues/138
- https://github.com/xlnt-community/xlnt/issues/138#issuecomment-3868381672
- https://github.com/xlnt-community/xlnt/pull/147
- https://vuldb.com/?ctiid_348530=
- https://vuldb.com/?id_348530=
- https://vuldb.com/?submit_764643=