Confirming the bug here, I have the following on my server -
W: gpgv:/var/lib/apt/lists/download.virtualbox.org_virtualbox_debian_dists_vivid_InRelease: The repository is insufficiently signed by key 7B0FAB3A13B907435925D9C954422A4B98AB5139 (weak digest)
W: gpgv:/var/lib/apt/lists/ppa.launchpad.net_jpsutton_cockpit_ubuntu_dists_vivid_InRelease: The repository is insufficiently signed by key 7B6B809DC0F2DEF09DE284E6BB3BA55A3E4F2C0C (weak digest)
W: gpgv:/var/lib/apt/lists/ppa.launchpad.net_webupd8team_java_ubuntu_dists_xenial_InRelease: The repository is insufficiently signed by key 7B2C3B0889BF5709A105D03AC2518248EEA14886 (weak digest)
W: gpgv:/var/lib/apt/lists/webmin.mirror.somersettechsolutions.co.uk_repository_dists_sarge_Release.gpg: The repository is insufficiently signed by key 1719003ACE3E5A41E2DE70DFD97A3AE911F63C51 (weak digest)
W: gpgv:/var/lib/apt/lists/pkg.jenkins-ci.org_debian_binary_Release.gpg: The repository is insufficiently signed by key 150FDE3F7787E7D11EF4E12A9B7D32F2D50582E6 (weak digest)
W: gpgv:/var/lib/apt/lists/download.webmin.com_download_repository_dists_sarge_Release.gpg: The repository is insufficiently signed by key 1719003ACE3E5A41E2DE70DFD97A3AE911F63C51 (weak digest)
Confirming the bug here, I have the following on my server -
W: gpgv:/var/ lib/apt/ lists/download. virtualbox. org_virtualbox_ debian_ dists_vivid_ InRelease: The repository is insufficiently signed by key 7B0FAB3A13B9074 35925D9C954422A 4B98AB5139 (weak digest) lib/apt/ lists/ppa. launchpad. net_jpsutton_ cockpit_ ubuntu_ dists_vivid_ InRelease: The repository is insufficiently signed by key 7B6B809DC0F2DEF 09DE284E6BB3BA5 5A3E4F2C0C (weak digest) lib/apt/ lists/ppa. launchpad. net_webupd8team _java_ubuntu_ dists_xenial_ InRelease: The repository is insufficiently signed by key 7B2C3B0889BF570 9A105D03AC25182 48EEA14886 (weak digest) lib/apt/ lists/webmin. mirror. somersettechsol utions. co.uk_repositor y_dists_ sarge_Release. gpg: The repository is insufficiently signed by key 1719003ACE3E5A4 1E2DE70DFD97A3A E911F63C51 (weak digest) lib/apt/ lists/pkg. jenkins- ci.org_ debian_ binary_ Release. gpg: The repository is insufficiently signed by key 150FDE3F7787E7D 11EF4E12A9B7D32 F2D50582E6 (weak digest) lib/apt/ lists/download. webmin. com_download_ repository_ dists_sarge_ Release. gpg: The repository is insufficiently signed by key 1719003ACE3E5A4 1E2DE70DFD97A3A E911F63C51 (weak digest)
W: gpgv:/var/
W: gpgv:/var/
W: gpgv:/var/
W: gpgv:/var/
W: gpgv:/var/