Collection

Tag: global-outage

Fastly 2021: The Software Bug Triggered by One Customer Configuration

Fastly’s June 2021 outage came from a latent software bug deployed weeks earlier that was activated by one valid customer configuration and quickly affected most of the global edge network.

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Cloudflare 2019: The Regular Expression That Maxed Out CPUs Worldwide

Cloudflare’s July 2019 global outage began when a WAF rule containing a pathological regular expression exhausted CPUs across the company’s edge within seconds.

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