CVE-2026-74221 [HIGH] – U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in n

U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_readlink_reply() function in net/nfs-common.c when processing NFS server responses. A malicious NFS server can send crafted READLINK replies with negative or oversized symlink length values to corrupt memory and crash the bootloader.