CVE-2026-46728

Publication date 16 May 2026

Last updated 22 May 2026

Ubuntu priority

Cvss 3 Severity Score

Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.

Show unmaintained releases

Package	Ubuntu Release	Status
u-boot	26.04 LTS resolute	Needs evaluation
	25.10 questing	Ignored end of life, was needs-triage
	24.04 LTS noble	Needs evaluation
	22.04 LTS jammy	Needs evaluation
	20.04 LTS focal	Needs evaluation
	18.04 LTS bionic	Needs evaluation
	16.04 LTS xenial	Needs evaluation
u-boot-nezha	26.04 LTS resolute	Not in release
	25.10 questing	Not in release
	24.04 LTS noble	Needs evaluation
	22.04 LTS jammy	Needs evaluation

CVSS version: CVSS v3.0

Base score 8.2 · High

Base metrics

Scores

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H