WordPress 6.4.1 Fixes a Critical cURL/Requests Bug
WordPress contributors have worked quickly over the past 24 hours to prepare a 6.4.1 maintenance release after a critical bug emerged from a change in the Requests library, causing problems with updates on servers running older versions of cURL. Hosting companies began reporting widespread impact of the bug. Tom Sommer, from one of Denmark’s largest hosting companies, filed a GitHub issue outlining how the cURL timeouts were affecting sites: #657 breaks downloads towards https://api.wordpress.org/ and many other sites when using Curl 7.29.0 (and perhaps other versions) Error: RuntimeException: Failed to get url ‘https://api.wordpress.org/core/version-check/1.7/?locale=en_US’: cURL error 28: Operation timed out after 10000 milliseconds with 807 out of -1 bytes received. It also causes issues with the REST API in Site Health with the error: REST API response: (http_request_failed) cURL error 28: Operation timed out after 10005 milliseconds with XXX out of XXX bytes received” It also prevents WordPress plugin and core updates, basically anything that relies on the internal Curl handler in WordPress. The issue became a top priority as it wasn’t clear how it would be possible for users to receive an update. “Even if you fix this now the issue prevents any future auto-upgrade to a 6.4.1, since it breaks Curl requests, so the…
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