Patching at Fleet Scale, Twice: How DigitalOcean Closed Januscape and the AMD Safe RET Issue Without Customer Impact

2026-08-26

DigitalOcean successfully patched its entire hypervisor fleet against two significant guest-to-host vulnerabilities (Januscape and an AMD Safe RET issue) within a month, with no reported customer impact. Januscape was remediated in eight days, while the AMD vulnerability, affecting 1,600 hypervisors, was patched in a single day.