CVE-2026-46728

EUVD-2026-30673
Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.2 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 5.59%
Affected Products (NVD)
VendorProductVersion
denxu-boot
2013.07 ≤
𝑥
≤ 2025.10
pengutronixbarebox
2016.03.0 ≤
𝑥
< 2025.09.3
pengutronixbarebox
2025.10.0 ≤
𝑥
< 2026.03.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
u-boot
bookworm
2023.01+dfsg-2+deb12u3
fixed
bookworm (security)
2023.01+dfsg-2+deb12u3
fixed
bullseye
vulnerable
bullseye (security)
2021.01+dfsg-5+deb11u3
fixed
forky
2025.01-3.2
fixed
sid
2025.01-3.2
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
u-boot
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
needs-triage
u-boot-nezha
jammy
needs-triage
noble
needs-triage
questing
dne
resolute
dne
Common Weakness Enumeration
References
https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4
https://github.com/u-boot/u-boot/commit/2092322b31cc8b1f8c9e2e238d1043ae0637b241