CVE-2026-71971
High · 8.2CVSS
8.2
EPSS
0.4%
Published
Sep 29, 2026
CISA due date
—
The record
U-Boot before 2026.10-rc3 with CONFIG_IP_DEFRAG enabled contains an out-of-bounds write vulnerability in the __net_defragment() function in net/net.c. Remote attackers can send a crafted IP fragment with non-zero offset and More-Fragments flag set during netboot to corrupt adjacent memory and crash the bootloader.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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