CVE-2007-2640: Heiko Stamer Libtmcg

High severity, CVSS 7.8. EPSS: 1.4% chance of exploitation in the next 30 days.

LibTMCG before 1.1.1 does not perform a range check to avoid "trivial group generators," which allows attackers to obtain sensitive information about private cards.

Affected products

• Heiko Stamer Libtmcg: version 1.0 only; version 1.0.1 only; version 1.1 only

Published 2007-05-13. Last modified 2026-06-16.