PT-2026-42182 · Ledger · Ledger Bitcoin App

Antoine Poinsot + 2 · Published 2026-05-20 · Updated 2026-05-20 · CVE-2023-7346

Mitre

CVSS v3.1

4.0

Medium

Base vector

AV:P/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

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.

Fix

Weakness Enumeration

CWE-682

Related Identifiers

CVE-2023-7346

Affected Products

Ledger Bitcoin App

References · 3

• https://donjon.ledger.com/lsb/019 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-7346 · Security Note
• https://vulncheck.com/advisories/ledger-bitcoin-app-address-derivation-error-via-miniscript · Note