USN-4233-1: GnuTLS update
gnutls28 update
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
SHA1 has been marked as untrusted in GnuTLS.
Software Description
- gnutls28 – GNU TLS library
Details
As a security improvement, this update marks SHA1 as being untrusted for
digital signature operations.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.04 LTS
- libgnutls30 – 3.5.18-1ubuntu1.2
- Ubuntu 16.04 LTS
- libgnutls30 – 3.4.10-4ubuntu1.6
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.
References
Source: USN-4233-1: GnuTLS update
