The PHP development team announces the immediate availability of PHP 8.1.33.
This is a security release that addresses CVE-2025-1735, CVE-2025-6491, and CVE-2025-1220.
All PHP 8.1 users are encouraged to upgrade to this version.
For source downloads of PHP 8.1.33 please visit our downloads page. Windows binaries can be found on the PHP for Windows site. The list of changes is recorded in the ChangeLog.
Release Announcement: <PHP: Manual Quick Reference;
Downloads: <PHP: Manual Quick Reference;
Windows downloads: <PHP For Windows: Binaries and sources Releases;
Changelog: <PHP: PHP 8 ChangeLog;
Release Manifest:
<https://gist.github.com/ramsey/cbdfd2b391bc8a101d6745cdc2cb6f43>
Many thanks to all the contributors and supporters!
Ben Ramsey, Patrick Allaert, & Joe Watkins
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