Research / Finding
fix: add validation for negative ranges
F-TREZOR-BLOCKBOOK-001
Public snapshot: 26 Sep 2026. Status, releases and attribution belong to each source below; none is inferred from another record.
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Recorded evidence
—score not recorded
fix: add validation for negative ranges
merged
details
- Finding IDs
- F-TREZOR-BLOCKBOOK-001
- Status
- merged
- Reported via
- security contact
- Note
- public fix commit 496f8e0f3272 on 2026-02-25. rejects negative From/To ranges before they can reach a recoverable panic path.
F-TREZOR-BLOCKBOOK-001: Input / state handling. Negative range values reach invalid arithmetic/state. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.
Mechanism source for F-TREZOR-BLOCKBOOK-001
Security area (1seal assessment): Availability. Negative range values reach invalid arithmetic/state. Reviewed 24 Sep 2026.
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