CVE-2025-70293

An issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability exists in function ext4fs_get_bgdtable, the size calculation can lead to under allocation and this underallocated buffer will be used in memcpy() which could lead to arbitrary code execution, a denial of service, or other unspecified impacts.

  • Published Aug 26, 2026
  • CVSS 9.8 critical
  • 0.8% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

CVE-2025-70293 at the National Vulnerability Database