Research / Finding
chore(core): improve handling of large messages
F-TREZOR-THP-DOS-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
chore(core): improve handling of large messages
fixed publicly
details
- Finding IDs
- F-TREZOR-THP-DOS-001
- Status
- fixed publicly
- Reported via
- security contact
- Note
- public fix commit 15975901acf6 on 2026-03-20 adds the missing `if buffer is None: return False` guard in the THP reassembly path, so oversized payload_length no longer passes as in the vulnerable pin 5ba0333910c1.
F-TREZOR-THP-DOS-001: Resource limits. Oversized protocol messages exhaust processing resources. Reviewed 24 Sep 2026. Mechanism assessed by 1seal.
Mechanism source for F-TREZOR-THP-DOS-001
Security area (1seal assessment): Availability. Oversized protocol messages exhaust processing resources. Reviewed 24 Sep 2026.
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