CVE-2026-74220EPSS p25.0%
CVE-2026-74220CVE-2026-74220
Description
U-Boot before 2026.10-rc5 contains a buffer overflow in nfs_read_reply() function in net/nfs-common.c that allows attackers to corrupt memory by supplying crafted NFS READ reply lengths. A malicious NFS server can exploit signed integer handling to bypass length validation and write far past the destination buffer, crashing the bootloader or corrupting memory.
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 25.0% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-30 |