USN-3727-1: Bouncy Castle vulnerabilities

1 August 2018

bouncycastle vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 LTS


Several security issues were fixed in Bouncy Castle.

Software Description

  • bouncycastle - Java implementation of cryptographic algorithms


It was discovered that Bouncy Castle incorrectly handled certain crypto algorithms. A remote attacker could possibly use these issues to obtain sensitive information, including private keys.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 LTS
libbcmail-java - 1.49+dfsg-2ubuntu0.1
libbcpg-java - 1.49+dfsg-2ubuntu0.1
libbcpkix-java - 1.49+dfsg-2ubuntu0.1
libbcprov-java - 1.49+dfsg-2ubuntu0.1

To update your system, please follow these instructions:

In general, a standard system update will make all the necessary changes.