Medium severity4.0NVD Advisory· Published May 20, 2026· Updated May 20, 2026

CVE-2023-7346

Description

Ledger Bitcoin app versions 2.1.0 and 2.1.1 contain an address derivation vulnerability that allows attackers to cause incorrect Bitcoin addresses to be displayed by exploiting improper handling of miniscript policies containing the a: fragment. Attackers can craft malicious miniscript policies that cause the device to derive and display incorrect receiving addresses, potentially leading to funds being sent to unintended addresses.

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Affected products

Ledger CLI/Ledgerllm-fuzzy
Range: 2.1.0, 2.1.1

Patches

Vulnerability mechanics

References

donjon.ledger.com/lsb/019/nvd
www.vulncheck.com/advisories/ledger-bitcoin-app-address-derivation-error-via-miniscriptnvd

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