CVE-2005-1600: Libtomcrypt

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

A "mathematical flaw" in the implementation of the El Gamal signature algorithm for LibTomCrypt 1.0 to 1.0.2 allows attackers to generate valid signatures without having the private key.

Affected products

• Libtomcrypt Libtomcrypt: version 1.0 only; version 1.0.1 only; version 1.0.2 only

Published 2005-05-16. Last modified 2026-06-16.