HIGHVulnerability
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NVD HIGH: CVE-2026-74222 — U-Boot before 2026.10-rc5 contains a use-after-free vulnerability in the httpc_r...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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. CVSS Score: 8.2. Published: 2026-09-29T22:18:33.660.

Indicators of Compromise (1)

CVE (1)
CVE-2026-74222
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Sep 29, 2026. Verified by: NIST.

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