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Ubuntu servers taken offline by "sustained, cross-border attack"

Hacker News · May 1, 2026, 7:14 PM · Also reported by 1 other source

Key takeaways

  • COME BACK LATER Ubuntu infrastructure has been down for more than a day The outage has hampered communication concerning a critical vulnerability that gives root.
  • Attempts to connect to most Ubuntu and Canonical webpages and download OS updates from Ubuntu servers have consistently failed over the past 24 hours.
  • A group sympathetic to the Iranian government has taken credit for the outage.

COME BACK LATER Ubuntu infrastructure has been down for more than a day The outage has hampered communication concerning a critical vulnerability that gives root.

6 An iteration of what happens when your site gets shut down by a DDo S attack. An iteration of what happens when your site gets shut down by a DDo S attack. Text settings Story text Size Small Standard Large Width * Standard Wide Links Standard Orange * Subscribers only Learn more Minimize to nav Servers operated by Ubuntu and its parent company Canonical were knocked offline on Thursday morning and have remained down ever since, a situation that’s preventing the OS provider from communicating normally following the botched disclosure of a major vulnerability.

Attempts to connect to most Ubuntu and Canonical webpages and download OS updates from Ubuntu servers have consistently failed over the past 24 hours. Updates from mirror sites, however, have continued to work normally. A Canonical status page said: “Canonical’s web infrastructure is under a sustained, cross-border attack and we are working to address it.” Other than that, Ubuntu and Canonical officials have maintained radio silence since the outage began.

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