CVE Explorer

CVE-2026-33243

barebox is a bootloader. In barebox from version 2016.03.0 to before version 2026.03.1 (and the corresponding backport to 2025.09.3), an attacker could exploit a FIT signature verification vulnerability to trick the bootloader into booting different images than those that were verified as part of a signed configuration. mkimage(1) sets the hashed-nodes property of the FIT signature node to list which nodes of the FIT were hashed as part of the signing process as these will need to be verified la

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d22aba1238311e93f31b17e4acab86aaa07efd151b4bf8cd9c1c9efa19d464ad

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"barebox","vendor":"barebox","versions":[{"status":"affected","version":">= 2016.03.0, < 2025.09.3"},{"status":"affected","version":">= 2025.10.0, < 2026.03.1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d4d00984270f63b40734d5f52d43d1c032049524be816590863f51c27f28c5e9 · sha256:fd9b867a6f724840… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:d4d00984270f63b40734d5f52d43d1c032049524be816590863f51c27f28c5e9 · sha256:fd9b867a6f724840… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:d4d00984270f63b40734d5f52d43d1c032049524be816590863f51c27f28c5e9 · sha256:fd9b867a6f724840… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/barebox/barebox/commit/aca01795056d51060cb096f9a1ea309361743e05","tags":["x_refsource_MISC"],"url":"https://github.com/barebox/barebox/commit/aca01795056d51060cb096f9a1ea309361743e05"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d4d00984270f63b40734d5f52d43d1c032049524be816590863f51c27f28c5e9 · sha256:fd9b867a6f724840… · /containers/cna/references/1

{"name":"https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4","tags":["x_refsource_CONFIRM"],"url":"https://github.com/barebox/barebox/security/advisories/GHSA-3fvj-q26p-j6h4"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d4d00984270f63b40734d5f52d43d1c032049524be816590863f51c27f28c5e9 · sha256:fd9b867a6f724840… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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