CVE-2026-74222EPSS p20.9%
CVE-2026-74222CVE-2026-74222
Description
U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpc_recv_cb() function within the lwIP wget implementation. When HTTP data storage fails, the callback frees the connection PCB but returns ERR_BUF instead of ERR_ABRT, causing the TCP input path to access released 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 | 0.30% probability of exploitation · percentile 20.9% · 2026-10-05T12:00:23Z |
| Last modified | 2026-10-02 |