CVE-2026-78119

The Nuvoton NPCX eSPI driver parses Target-Attached-Flash TAF requests in espitafparse drivers/espi/espinpcx.c, taking the 12-bit length field directly out of the request header in the FLASHRXBUF FIFO. For write and RPMC OP1 requests it copied DIVROUNDUPlen, 4 words into struct espitafpckt.src, a...