CVE-2025-70290
An issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability in the ZFS filesystem support can be triggered by malformed on-disk metadata. The issue may result in incorrect memory allocation followed by out-of-bounds memory access, potentially leading to a crash or arbitrary code execution during the boot process.
- Published Aug 26, 2026
- CVSS 9.8 critical
- 0.7% chance of exploitation in the next 30 days (EPSS)
- A fix is available