CVE-2026-74221
High · 8.2CVSS
8.2
EPSS
0.3%
Published
Sep 29, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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