CVE-2026-71971EPSS p29.2%
CVE-2026-71971CVE-2026-71971
Description
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.
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 | 0.38% probability of exploitation · percentile 29.2% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-30 |