[ CVE-2026-71974 · Published 29 Sep 2026 ]
Vulnerability in u-boot
CVSS 4.8
EPSS <1%1 agency advisoryNo fix listed yet
[ Description ]Official description
U-Boot before 2026.10-rc3 contains an out-of-bounds write vulnerability in read_slotted_partition() that fails to validate image size against partition bounds. Attackers with physical access can supply crafted boot media with oversized headers to write past the load buffer into bootloader memory on devices without Android Verified Boot protection.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ Advisories ]Government CERT advisories
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BSI CERT-BundWID-SEC-2026-3660
DENX U-Boot: Multiple vulnerabilities Translated from German
[ References ]References
- github.com/u-boot/u-boot
- github.com/u-boot/u-boot/blob/v2026.07/boot/bootmeth_android.c
- github.com/u-boot/u-boot/commit/35432ef6fe2c79ab72709966e64815a45eb55c76
- patch.msgid.link/20260729-b4-android-bootmeth-oob-v1-1-31c3450ae0be@byteray.co.uk
- www.vulncheck.com/advisories/u-boot-before-2026.10-rc3-out-of-bounds-write-via-android-…