Outage in Vercel
Elevated errors (SIGSEGV) for Vercel Functions running Node.js 20 in cle1 and dub1 regions
Resolved MinorIncident Report
Summary AI Generated
Vercel Functions running Node.js 20 in the cle1 and dub1 regions experienced elevated SIGSEGV termination errors for 4.8 hours. The issue affected Serverless Functions specifically in those two regions, while other regions remained unaffected. Vercel identified the root cause, deployed a fix, and resolved the incident with recommendations for users to redeploy affected functions or upgrade to Node.js 22 or 24.
We are currently investigating increased rates of Vercel Functions running on Node.js 20 terminating with SIGSEGV. We recommend redeploying affected Vercel Functions or upgrading them to either Node.js 22 or 24.
Components affected
Vercel Serverless FunctionsTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
25 days ago - at 04/02/2026 06:53PM
This incident has been resolved.
MONITORING
25 days ago - at 04/02/2026 06:09PM
The root cause has been identified, a fix has been rolled out, and we are actively monitoring. Newly deployed Vercel Functions on Node.js 20 in cle1 and dub1 no longer terminate with SIGSEGV. We recommend redeploying affected Vercel Functions if you are still seeing issues.
INVESTIGATING
25 days ago - at 04/02/2026 04:13PM
We are continuing to investigate increased rates of Vercel Functions running on Node.js 20 terminating with SIGSEGV in Vercel's cle1 and dub1 regions. Other regions are unaffected. We recommend redeploying affected Vercel Functions or upgrading them to either Node js 22 or 24.
INVESTIGATING
25 days ago - at 04/02/2026 02:10PM
We are currently investigating increased rates of Vercel Functions running on Node.js 20 terminating with SIGSEGV. We recommend redeploying affected Vercel Functions or upgrading them to either Node.js 22 or 24.
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