USN-4384-1: GnuTLS 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.
- 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.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Source: USN-4384-1: GnuTLS vulnerability