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PHP 8.4 Thursday, 20 November 2025

PHP 8.4.15

42 changes across 19 components.

Core

  • Fixed bug GH-19934 (CGI with auto_globals_jit=0 causes uouv).
  • Fixed bug GH-20073 (Assertion failure in WeakMap offset operations on reference).
  • Fixed bug GH-20085 (Assertion failure when combining lazy object get_properties exception with foreach loop).
  • Fixed bug GH-19844 (Don't bail when closing resources on shutdown).
  • Fixed bug GH-20177 (Accessing overridden private property in get_object_vars() triggers assertion error).
  • Fixed bug GH-20270 (Broken parent hook call with named arguments).
  • Fixed bug GH-20183 (Stale EG(opline_before_exception) pointer through eval).

DOM

  • Partially fixed bug GH-16317 (DOM classes do not allow __debugInfo() overrides to work).
  • Fixed bug GH-20281 (\Dom\Document::getElementById() is inconsistent after nodes are removed).

Exif

  • Fix possible memory leak when tag is empty.

FPM

  • Fixed bug GH-19974 (fpm_status_export_to_zval segfault for parallel execution).

FTP

  • Fixed bug GH-20240 (FTP with SSL: ftp_fput(): Connection timed out on successful writes).

GD

  • Fixed bug GH-20070 (Return type violation in imagefilter when an invalid filter is provided).

Intl

  • Fix memory leak on error in locale_filter_matches().

LibXML

  • Fix not thread safe schema/relaxng calls.

MySQLnd

  • Fixed bug GH-8978 (SSL certificate verification fails (port doubled)).
  • Fixed bug GH-20122 (getColumnMeta() for JSON-column in MySQL).

Opcache

  • Fixed bug GH-20081 (access to uninitialized vars in preload_load()).
  • Fixed bug GH-20121 (JIT broken in ZTS builds on MacOS 15).
  • Fixed bug GH-19875 (JIT 1205 segfault on large file compiled in subprocess).
  • Fixed bug GH-20012 (heap buffer overflow in jit).
  • Partially fixed bug GH-17733 (Avoid calling wrong function when reusing file caches across differing environments).

PgSql

  • Fix memory leak when first string conversion fails.
  • Fix segfaults when attempting to fetch row into a non-instantiable class name.

Phar

  • Fix memory leak of argument in webPhar.
  • Fix memory leak when setAlias() fails.
  • Fix a bunch of memory leaks in phar_parse_zipfile() error handling.
  • Fix file descriptor/memory leak when opening central fp fails.
  • Fix memleak+UAF when opening temp stream in buildFromDirectory() fails.
  • Fix potential buffer length truncation due to usage of type int instead of type size_t.
  • Fix memory leak when openssl polyfill returns garbage.
  • Fix file descriptor leak in phar_zip_flush() on failure.
  • Fix memory leak when opening temp file fails while trying to open gzip-compressed archive.
  • Fixed bug GH-20302 (Freeing a phar alias may invalidate PharFileInfo objects).

Random

  • Fix Randomizer::__serialize() w.r.t. INDIRECTs.

Reflection

  • Fixed bug GH-20217 (ReflectionClass::isIterable() incorrectly returns true for classes with property hooks).

SimpleXML

  • Partially fixed bug GH-16317 (SimpleXML does not allow __debugInfo() overrides to work).

Streams

  • Fixed bug GH-19798: XP_SOCKET XP_SSL (Socket stream modules): Incorrect condition for Win32/Win64.

Tidy

  • Fixed GH-19021 (improved tidyOptGetCategory detection).
  • Fix UAF in tidy when tidySetErrorBuffer() fails.

XMLReader

  • Fix arginfo/zpp violations when LIBXML_SCHEMAS_ENABLED is not available.

Windows

  • Fix GH-19722 (_get_osfhandle asserts in debug mode when given a socket).
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