Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size, or because ptrdiff_t is mishandled on x86_64.
https://www.openwall.com/lists/oss-security/2025/02/17/2
https://source.denx.de/u-boot/u-boot/-/commit/c17b2a05dd50a3ba437e6373093a0d6a359cdee0
https://source.denx.de/u-boot/u-boot/-/commit/8642b2178d2c4002c99a0b69a845a48f2ae2706f
https://source.denx.de/u-boot/u-boot/-/commit/0a10b49206a29b4aa2f80233a3e53ca0466bb0b3