this post was submitted on 19 Nov 2025
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Cloudflare blames massive internet outage on 'latent bug' (techcrunch.com)
submitted 1 day ago by tonytins@pawb.social to c/technology@lemmy.world
31 comments fedilink hide all child comments
 

Around the same time, Cloudflare’s chief technology officer Dane Knecht explained that a latent bug was responsible in an apologetic X post.

“In short, a latent bug in a service underpinning our bot mitigation capability started to crash after a routine configuration change we made. That cascaded into a broad degradation to our network and other services. This was not an attack,” Knecht wrote, referring to a bug that went undetected in testing and has not caused a failure.

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[–] NotMyOldRedditName@lemmy.world 1 points 1 day ago* (last edited 1 day ago) (1 children)

I don't think it was a bug making the configuration change, I think there was a bug as a result of that change.

That specific combination of changes may not have been tested, or applied in production for months, and it just happened to happen today when they were needed for the first time since an update some time ago, hence the latent part.

But they do changes like that routinely.

[–] monkeyslikebananas2@lemmy.world 1 points 1 day ago

Yeah, I just read the postmortem. My response was more about the confusion that any configuration change is inherently non-routine.