Ubuntu 4233-1: GnuTLS update

    Date 09 Jan 2020
    341
    Posted By LinuxSecurity Advisories
    SHA1 has been marked as untrusted in GnuTLS.
    ==========================================================================
    Ubuntu Security Notice USN-4233-1
    January 09, 2020
    
    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
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4233-1
      https://launchpad.net/bugs/1858691
    
    Package Information:
      https://launchpad.net/ubuntu/+source/gnutls28/3.5.18-1ubuntu1.2
      https://launchpad.net/ubuntu/+source/gnutls28/3.4.10-4ubuntu1.6
    
    

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