Your understanding seems to be wrong.
Every Ubuntu version in the last decade is currently vulnerable.
https://ubuntu.com/security/CVE-2026-98432
Patches not yet available. That makes this a big deal.
This article says that this isn’t app level but is level and can be exploited before requests reach apps.
> on servers with a multipath TCP listener
I was talking about the Anthropic blog post, only Go/Caddy enable multipath TCP listeners by default.
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