| Name | CVE-2026-46728 |
| Description | Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| u-boot (PTS) | bullseye | 2021.01+dfsg-5 | vulnerable |
| bullseye (security) | 2021.01+dfsg-5+deb11u2 | vulnerable |
| bookworm | 2023.01+dfsg-2+deb12u2 | vulnerable |
| trixie | 2025.01-3 | vulnerable |
| forky, sid | 2025.01-3.1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| u-boot | source | (unstable) | (unfixed) | | | |
Notes
[trixie] - u-boot <no-dsa> (Minor issue)
[bookworm] - u-boot <no-dsa> (Minor issue)
Fixed by: https://github.com/u-boot/u-boot/commit/2092322b31cc8b1f8c9e2e238d1043ae0637b241 (v2026.04-rc4)