PHP Release 8.1.33


    PHP 8.1.33 Release Announcement

    The PHP development team announces the immediate availability of PHP 8.1.33. This is a security release.

    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 source and binaries can be found on windows.php.net/download/. The list of changes is recorded in the ChangeLog.

    Source Code
    PHP 8.1.33 (tar.gz)
    SHA256: ee33568a0e2be0b722b3f9a88cecc578316b66b25c90cd0a4f3b1a5cdc3cd826
    PHP 8.1.33 (tar.bz2)
    SHA256: b6553451841c1a569865d7fdc83024621ee4434cd8fbfeb0a31588ac9c70685f
    PHP 8.1.33 (tar.xz)
    SHA256: 9db83bf4590375562bc1a10b353cccbcf9fcfc56c58b7c8fb814e6865bb928d1
    Change Logs
    pgsql
    • Fixed GHSA-hrwm-9436-5mv3 (pgsql extension does not check for errors during escaping). (CVE-2025-1735)
    soap
    • Fixed GHSA-453j-q27h-5p8x (NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace Prefix). (CVE-2025-6491)
    standard
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