CVE-2016-1000344: Bouncycastle Bc-Java

High severity, CVSS 7.4. EPSS: 2.2% chance of exploitation in the next 30 days.

In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES implementation allowed the use of ECB mode. This mode is regarded as unsafe and support for it has been removed from the provider.

Affected products

• Bouncycastle Bc-Java: up to and including 1.55

Published 2018-06-04. Last modified 2026-06-17.