Hi Arthur,

Thank you for the report.

On Thu, Aug 06, 2026 at 14:40, Arthur Chan <[email protected]> wrote:

> Hello U-Boot maintainers,
>
> I'd like to report a High-severity security issue in U-Boot 
> (https://github.com/u-boot/u-boot / 
> https://git.u-boot-project.org/u-boot/u-boot) related to possible global heap 
> overflow in U-Boot's fastboot-over-TCP server by authenticated peer.
>
> I have attached 3 files with this email as described below.
> 1) report.md: A full description of the vulnerability and how to reproduce 
> it, together with suggested fix of the issue.
> 2) Dockerfile: A Dockerfile for demonstrating the issue.
> 3) driver.c: Work with the Dockerfile to demonstrate the issue.
>
> Attribution
> -----------
> Please attribute Claude and Ada Logics. This issue was found by Anthropic 
> from using agents to study security of open source projects, and I am from 
> Ada Logics helping validate the found issues and creating the report manually 
> and notify the maintainers.
>
> Disclosure
> ----------
> This report follows a 90-day coordinated disclosure deadline. I'm happy to 
> coordinate on the exact timing and to provide any further detail you need.

If you wish to help the U-Boot community, please consider contributing a
patch to fix this.

See
https://docs.u-boot-project.org/en/latest/develop/sending_patches.html#sending-patches

Thanks
Mattijs

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