CVE-2014-9742: Botan Project Botan

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The Miller-Rabin primality check in Botan before 1.10.8 and 1.11.x before 1.11.9 improperly uses a single random base, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a DH group.

Affected products

• Botan Project Botan: up to and including 1.10.7; version 1.11.0 only; version 1.11.1 only; version 1.11.2 only; version 1.11.3 only; version 1.11.4 only; …

Published 2016-05-13. Last modified 2026-06-17.