Knowledge · Vulnerabilities by version

U-Boot 2026.04: 18 known CVEs

18 CVEs, 4 of them critical and 0 actively exploited.

As of 13 Nov 2026, 18 CVEs are known for U-Boot 2026.04, 4 critical and 7 high. For 1, the vendor's statement and another source disagree; they are counted and marked.

Data queried 13 November 2026 · Page updated 13 November 2026 · 2 min read

At a glance
Version
U-Boot 2026.04
Known CVEs
18
Critical / high
4 / 7
Actively exploited (CISA KEV)
0
Confirmed by the vendor
0

Checked on 13 Nov 2026

Which CVEs affect U-Boot 2026.04?

CVESeverityCVSSFixed fromNote
CVE-2025-70290critical9.8not statedper vulnerability databases
CVE-2025-70293critical9.8not statedper vulnerability databases
CVE-2026-29009critical9.82026.07-rc2per vulnerability databases
CVE-2026-15390critical9.0not statedper vulnerability databases
CVE-2026-46728high8.8not statedvendor and another source disagree
CVE-2026-71971high8.82026.10-rc3per vulnerability databases
CVE-2026-74220high8.82026.10-rc5per vulnerability databases
CVE-2026-74221high8.82026.10-rc5per vulnerability databases
CVE-2026-74222high8.82026.10-rc5per vulnerability databases
CVE-2026-29008high8.7not statedper vulnerability databases
CVE-2026-74225high7.12026.10-rc5per vulnerability databases
CVE-2026-29007medium6.9not statedper vulnerability databases
CVE-2025-45512medium6.5not statedper vulnerability databases
CVE-2026-71972medium6.0not statedper vulnerability databases
CVE-2026-71973medium5.22026.10-rc4per vulnerability databases
CVE-2026-71974medium4.32026.10-rc3per vulnerability databases
CVE-2025-70291not ratednot ratednot statedper vulnerability databases
CVE-2025-70292not ratednot ratednot statedper vulnerability databases

Which U-Boot version do I need to upgrade to?

Fixed in U-Boot 2026.07-rc2: 1 CVE of this version.

Fixed in U-Boot 2026.10-rc3: 2 CVEs of this version.

Fixed in U-Boot 2026.10-rc4: 1 CVE of this version.

Fixed in U-Boot 2026.10-rc5: 4 CVEs of this version.

No fix version stated: 10.

What changed against U-Boot 2026.01?

No CVE of 2026.01 dropped out in 2026.04.

No CVE was added in 2026.04.

What does the number mean for a device?

Counted are the CVEs public sources name for U-Boot version 2026.04 (NVD, OSV, Vendor advisories). "Confirmed by the vendor" means the CVE record or advisory comes from the vendor itself and names this version as affected. Third-party records are counted but not marked as confirmed.

Whether a CVE is exploitable in a given device depends on which functions of the library the build contains and how they are configured. The list shows what is known for the version.

Licence notes of the sources: OSV: CC BY 4.0.

Questions

How many CVEs does U-Boot 2026.04 have?

As of 13 Nov 2026, 18 CVEs are known for U-Boot 2026.04, 4 critical and 7 high. For 1, the vendor's statement and another source disagree; they are counted and marked.

From which version are the CVEs of U-Boot 2026.04 fixed?

No newer listed version is free of all 18 CVEs. The "Fixed from" column names the fix version per CVE for this release line where a source states one.

Sources

  1. [1]NVD
  2. [2]OSV

Which U-Boot version is in your build?

Vendor SDKs ship their own versions. Upload the AXF, HEX or firmware image: we read the versions from the binary and match the CVEs. Report and SBOM within three working days, free. The reports are in German.