CVE-2023-7346 Ledger Bitcoin App 2.1.0 Address Derivation Error via Miniscript
Attackers can craft malicious miniscript policies to cause Ledger devices to display incorrect Bitcoin addresses, leading to potential fund loss.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-7346?
CVE-2023-7346 is a medium-severity vulnerability in Ledger Bitcoin app, published on 20 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-682
Which versions are affected by CVE-2023-7346?
How do I fix CVE-2023-7346?
No fix has been published for CVE-2023-7346 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-7346 being exploited?
There is no known exploitation of CVE-2023-7346 in the wild and no public exploit code.
Sources
Also known as GHSA-329m-69cj-4486.