CVE-2023-7346: Ledger Bitcoin App

Medium severity, CVSS 4.0. EPSS: 0.1% chance of exploitation in the next 30 days.

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.

Affected products

• Ledger Ledger Bitcoin App: version 2.1.0 only; version 2.1.1 only

Published 2026-05-20. Last modified 2026-07-23.