CVE-2026-74221EPSS p25.6%
CVE-2026-74221CVE-2026-74221
Description
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.
Scoring
| CVSS | 8.2 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
| EPSS | 0.34% probability of exploitation · percentile 25.6% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-30 |