USN-5080-2: Libgcrypt vulnerabilities

16 September 2021

Libgcrypt could be made to expose sensitive information.

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Releases

USN-5080-1 fixed several vulnerabilities in Libgcrypt. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Libgcrypt incorrectly handled ElGamal encryption. An
attacker could possibly use this issue to recover sensitive information.

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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

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

USN-5080-1: libgcrypt11-dev, libgcrypt20-doc, libgcrypt-mingw-w64-dev, libgcrypt20-dev, libgcrypt20

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.