CVE-2026-75900
Gravedad CVSS v3.1:
MEDIA
Tipo:
CWE-125
Lectura fuera de límites
Fecha de publicación:
19/08/2026
Última modificación:
19/08/2026
Descripción
*** Pendiente de traducción *** An out-of-bounds read vulnerability was found in swtpm's SWTPM_NVRAM_CheckHeader() function. The entry guard checks the buffer length against sizeof(bh), where bh is a pointer, instead of sizeof(*bh), the actual struct size. This allows an undersized buffer to pass validation, causing a 2-byte heap overread on 64-bit systems (6 bytes on 32-bit) when accessing the totlen field. This may cause daemon termination on some platforms and leaks heap data to the log.
Impacto
Puntuación base 3.x
6.10
Gravedad 3.x
MEDIA