CVE-2024-32482: Tillitis Tkey-Device-Signer

Low severity, CVSS 2.2. EPSS: 0.1% chance of exploitation in the next 30 days.

The Tillitis TKey signer device application is an ed25519 signing tool. A vulnerability has been found that makes it possible to disclose portions of the TKey’s data in RAM over the USB interface. To exploit the vulnerability an attacker needs to use a custom client application and to touch the TKey. No secret is disclosed. All client applications integrating tkey-device-signer should upgrade to version 1.0.0 to receive a fix. No known workarounds are available.

Affected products

• Tillitis Tkey-Device-Signer: before 1.0.0 (fixed in 1.0.0)
• Tillitis Tkey Device Signer: before 1.0.0 (fixed in 1.0.0)

Published 2024-04-23. Last modified 2026-06-17.