CVE-2016-1000346: Bouncycastle Bc-Java

Low severity, CVSS 3.7. EPSS: 2.2% chance of exploitation in the next 30 days.

In the Bouncy Castle JCE Provider version 1.55 and earlier the other party DH public key is not fully validated. This can cause issues as invalid keys can be used to reveal details about the other party's private key where static Diffie-Hellman is in use. As of release 1.56 the key parameters are checked on agreement calculation.

Affected products

• Bouncycastle Bc-Java: up to and including 1.55
• Debian Debian Linux: version 8.0 only

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