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19.0.5

19.0.5 (April 8th, 2026)

8 Apr 20266 months agoaddedOriginal notes

This release closes 1 security advisory

highDenial of Service Vulnerability in React Server ComponentsCVE-2026-23869

React Server Components

Add more cycle protections (#36236 by @eps1lon and @unstubbable)

What happened next

React 19.0.5 was superseded 28 days later by 19.0.6. 3 releases have followed it on the 19.0.x line, about one every 4 weeks, which now stands at 19.0.8.

2 of those 3, on the 19.0.x line:

19.0.6Closes 1 advisory6 May 2026
19.0.8Closes 1 advisory21 Jul 2026

Previous: 19.0.4 Next: 19.0.6

Traceary. Change, on the record.61 products, 4,704 releases

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