USN-4233-2: GnuTLS update
23 January 2020
USN-4233-1 marked SHA1 as untrusted in GnuTLS with no workaround.
- gnutls28 - GNU TLS library
USN-4233-1 disabled SHA1 being used for digital signature operations in
GnuTLS. In certain network environments, certificates using SHA1 may still
be in use. This update adds the %VERIFY_ALLOW_BROKEN and
%VERIFY_ALLOW_SIGN_WITH_SHA1 priority strings that can be used to
temporarily re-enable SHA1 until certificates can be replaced with a
Original advisory details:
As a security improvement, this update marks SHA1 as being untrusted for
digital signature operations.