PHP version 8.4.11 (31 Jul 2025)

Calendar:

• Fixed jewishtojd overflow on year argument. (David Carlier)

Core:

• Fixed bug GH-18833 (Use after free with weakmaps dependent on destruction order). (Daniil Gentili)
• Fixed bug GH-18907 (Leak when creating cycle in hook). (ilutov)
• Fix OSS-Fuzz #427814456. (nielsdos)
• Fix OSS-Fuzz #428983568 and #428760800. (nielsdos)
• Fixed bug GH-17204 (-Wuseless-escape warnings emitted by re2c). (Peter Kokot)
• Fixed bug GH-19064 (Undefined symbol 'execute_ex' on Windows ARM64). (Demon)

Curl:

• Fix memory leaks when returning refcounted value from curl callback. (nielsdos)
• Remove incorrect string release. (nielsdos)

DOM:

• Fixed bug GH-18979 (Dom\XMLDocument::createComment() triggers undefined behavior with null byte). (nielsdos)

LDAP:

• Fixed GH-18902 ldap_exop/ldap_exop_sync assert triggered on empty request OID. (David Carlier)

MbString:

• Fixed bug GH-18901 (integer overflow mb_split). (nielsdos)

Opcache:

• Fixed bug GH-18639 (Internal class aliases can break preloading + JIT). (nielsdos)
• Fixed bug GH-18899 (JIT function crash when emitting undefined variable warning and opline is not set yet). (nielsdos)
• Fixed bug GH-14082 (Segmentation fault on unknown address 0x600000000018 in ext/opcache/jit/zend_jit.c). (nielsdos)
• Fixed bug GH-18898 (SEGV zend_jit_op_array_hot with property hooks and preloading). (nielsdos)

OpenSSL:

• Fixed bug #80770 (It is not possible to get client peer certificate with stream_socket_server). (Jakub Zelenka)

PCNTL:

• Fixed bug GH-18958 (Fatal error during shutdown after pcntl_rfork() or pcntl_forkx() with zend-max-execution-timers). (Arnaud)

Phar:

• Fix stream double free in phar. (nielsdos, dixyes)
• Fix phar crash and file corruption with SplFileObject. (nielsdos)

SOAP:

• Fixed bug GH-18990, bug #81029, bug #47314 (SOAP HTTP socket not closing on object destruction). (nielsdos)
• Fix memory leak when URL parsing fails in redirect. (Girgias)

SPL:

• Fixed bug GH-19094 (Attaching class with no Iterator implementation to MultipleIterator causes crash). (nielsdos)

Standard:

• Fix misleading errors in printf(). (nielsdos)
• Fix RCN violations in array functions. (nielsdos)
• Fixed GH-18976 pack() overflow with h/H format and INT_MAX repeater value. (David Carlier)

Streams:

• Fixed GH-13264 (fgets() and stream_get_line() do not return false on filter fatal error). (Jakub Zelenka)