CVE-2025-70290
Critical · 9.8CVSS
9.8
EPSS
0.7%
Published
Aug 26, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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