Apple Security Advisory 2017-09-25-1 - macOS High Sierra 10.13 is now available and addresses denial of service, insecure transit, and various other vulnerabilities.
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Slackware Security Advisory - New ntp packages are available for Slackware 13.0, 13.1, 13.37, 14.0, 14.1, 14.2, and -current to fix security issues.
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