USN-4384-1: GnuTLS vulnerability

  • Thread starter Ubuntu security notices
  • Start date

Ubuntu security notices

gnutls28 vulnerability

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

  • Ubuntu 20.04 LTS
  • Ubuntu 19.10

GnuTLS could be made to expose sensitive information.

Software Description

  • gnutls28 - GNU TLS library

It was discovered that GnuTLS incorrectly handled session ticket encryption keys. A remote attacker could possibly use this issue to bypass authentication or recover sensitive information.

Update instructions

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

Ubuntu 20.04 LTS
libgnutls30 - 3.6.13-2ubuntu1.1
Ubuntu 19.10
libgnutls30 - 3.6.9-5ubuntu1.2

To update your system, please follow these instructions:

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


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