US EditionCloudflare restores service after outage that brought down Zoom, LinkedIn
Cloudflare's firewall update caused a global outage affecting 20% of websites; service was restored within an hour after a fix was deployed during scheduled maintenance.
- On Friday, Dec. 5, 2025, Cloudflare admitted a problem at 0856 UTC that made many popular sites unreachable and restored services by 0930 UTC.
- During scheduled maintenance in its Chicago and Detroit datacenters, Cloudflare said a firewall parsing change and disabled logging during React CVE mitigation caused the outage, not an attack.
- Cloudflare warned of increased errors affecting Workers scripts, while users encountered widespread `500 Internal Server Error` messages and Downdetector reports peaked at nearly 4,000 around 9.03am.
- Repeated incidents in recent weeks have knocked major services offline worldwide, prompting customers to reassess dependencies as experts warn of a single-point-of-failure risk, Jake Moore said.
- Cloudflare said in a status message, `Cloudflare is investigating issues with Cloudflare Dashboard and related APIs`, and will share a blog post and ongoing updates.
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169 Articles
Cloudflare's services went down again, briefly knocking out "half the internet." A quick fix, however, averted a bigger mess on the servers. Among the sites affected were Zoom, Canva, Discord, LinkedIn, and others. This is the second time in a row that Cloudflare has suffered a "breakdown" in less than a month - something worrying, considering that this is an operator that usually processes requests for millions of websites. Cloudflare initially…
In mid-November, a technical malfunction at Cloudflare made many websites and online apps unattainable for hours. Now, the US service has again caused problems.
Associated Press News
Cloudflare investigates outage that brought down sites including Zoom and LinkedIn
Internet infrastructure company Cloudflare says it is investigating an outage that disrupted several global websites, including LinkedIn and Zoom, on Friday morning.
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