Core
- Fixed GHSA-w8hw-w9fx-j79w, GHSA-6wmf-4rv5-p3rp (Avoid state corruption via bailout).
- Fixed bug GH-23644 (Optimizer leaves a constant-vs-constant comparison unfolded, crashing the VM in zval_undefined_cv).
- Fixed OSS-Fuzz 532353396 (assertion failure with static type).
- Fix GH-23662 (Avoid NAN warning in print_r()).
- Fix GH-21999: GC inconsistency with lazy object, var_dump(), and object comparison.
- Fixed OSS-Fuzz #536440507 (Immutable class incorrect assertion).
- Fixed AVX being reported as supported when the OS has not enabled AVX state.
- Fixed GH-23980 (ZEND_ASSERT violation @ ZEND_INCLUDE_OR_EVAL).
- Fixed use-after-free when a dl()-loaded extension declares a frameless function and a later request calls it.
- Fixed System V shared memory emulation for Windows attaching segments past the end of their mapping.
- Fixed exception thrown by destructor during GC in a Fiber not being rethrown into the frame that triggered the GC.
BCMath
- Fixed BcMath\Number results that truncate to zero keeping a negative sign and comparing less than zero.
BZ2
- Fixed double close of the descriptor and use-after-free of the inner stream when bzopen() is given a stream resource.
CLI
- Fix GH-22567 (Windows ZTS CLI SAPI should refresh its TSRMLS cache during request activation).
- Fixed bug GH-23764 (Built-in server leaks a file descriptor on every HEAD request for a static file).
- Fixed crash in the built-in server when a client is reset before being accepted.
- Fixed the built-in server truncating an error page and leaking its unsent part after a partial socket write.
DOM
- Fixed use-after-free when re-constructing a DOMXPath whose php:function registrations are freed while still reachable from the cycle collector.
- Fixed Dom\HTMLDocument::getElementById() not finding ids of SVG and MathML elements.
- Fixed Dom\HTMLDocument giving attributes the namespace of their element when a fragment is parsed with an xlink, xml or xmlns context element.
- Fixed bug GH-23887 (Dom\HTMLCollection::namedItem() assertion failure, hang, or missed first element).
- Fixed DOMXPath and Dom\XPath losing the context node and in-scope namespaces of an evaluation after a php:function() callback evaluated another expression on the same object.
FFI
- Fixed crashes with FFI callbacks created from __call() trampolines and array callables whose object is released.
FTP
- Fixed bug GH-23619 (cryptic error on servers that don't support TLS session resumption on data connection).
GD
- Fixed undefined behavior with GD2 images with `INT_MAX`-sized chunks.
- Fixed undefined behavior with GIFs with problematic LZW compression data.
Intl
- Fixed cloning IntlDateFormatter and MessageFormatter losing PHP-side state such as dateType, timeType, calendar and the message pattern.
- Fixed a crash when converting with a cloned UConverter that uses toUCallback/fromUCallback.
- Fixed Collator attribute and strength methods not rejecting an unconstructed Collator.
- Fixed crash in intl_error_set_custom_msg() without an active call frame.
- Fixed grapheme_strstr() and grapheme_stristr() returning incorrect substrings when supplementary characters precede the match.
- Fixed grapheme_strstr() and grapheme_strpos() missing canonically equivalent matches, and grapheme searches reporting ICU errors for empty haystacks.
- Fixed grapheme_strrpos() and grapheme_strripos() skipping overlapping matches when using a negative offset.
- Fixed IntlDateFormatter::parse(), localtime() and parseToCalendar() treating the offset as UTF-16 code units instead of bytes.
Lexbor
- Merge patches lexbor/lexbor@8a14bc0 and lexbor/lexbor@f67ce4b, fixing a heap buffer overflow in :lexbor-contains() parsing and buffer overflows in malformed decode replay.
- Merge patches lexbor/lexbor@859f100, lexbor/lexbor@a36e09a, lexbor/lexbor@b0f7412, lexbor/lexbor@1b215a8, lexbor/lexbor@385afff, lexbor/lexbor@e6c068f, lexbor/lexbor@327a8b6, lexbor/lexbor@917742f and lexbor/lexbor@e89c258, fixing dropped usernames containing an at sign, uninitialized memory in IDNA buffer growth, the encoding of a space before a query or fragment in an opaque path, a query or fragment lost after a dot segment in a path, replacement file drive paths, the output encoding used for percent-encoding, the URLSearchParams tail pointer and fragment serialization without a query.
MBString
- Fixed bug GH-23106 (mb_strpos() reads past the end of a haystack ending in a truncated UTF-8 sequence).
- Fixed mbstring functions emitting surrogates in UTF-8 output and flagging it as valid UTF-8.
MySQLi
- Fix GH-22854: Fixed failed assertion when accessing mysqli property after failed reconnection.
MySQLnd
- Fixed field_count not resetting on OK packet.
- Fixed memory leak when closing a prepared statement after its connection was killed.
Opcache
- Fixed OSS-Fuzz #546798343 (Heap-buffer-overflow in optimizer with FCCs and inlining).
- Fixed bug GH-23693 (Tracing JIT produces wrong results for a guard on a loop-invariant addition).
- Fixed OSS-Fuzz #5674034779193344 (Read of uninitialized memory in is_cacheable_stream_path()).
- Fix zend_analyze_calls() call_stack buffer overrun.
- Fixed bug GH-23628 (Tracing JIT reads undefined property slots of lazy proxy objects instead of forwarding to the real instance).
- Fixed bug GH-23679 (Tracing JIT writes a parent private property into a child's shadowing public property).
- Fix multiple incorrect DCE due to unsound escape analysis.
- Fixed bug GH-24063 (OPcache optimizer folds `$cond ? -0.0 : 0.0` into a single `-0.0` constant).
- Fixed crash when a file cache is reused with a different set of extensions declaring frameless functions.
- Fixed bug GH-23991 (JIT generates invalid IR for multiple recursive calls).
- Fix SCCP evaluation of isset()/empty() on dimension of non-escaping object.
- Fixed bug GH-20890 (Segfault in zval_undefined_cv with non-simple property hook with minimal tracing JIT).
OpenSSL
- Fixed stream_socket_enable_crypto() leaving the socket non-blocking after a handshake timeout.
- Fixed feof() on a TLS stream staying false after a close_notify on Windows.
PCNTL
- Fixed pcntl_signal_dispatch() dropping the queued signals when it runs while an exception is pending.
- Fixed pcntl_signal_dispatch() dropping the signals queued behind a handler that throws.
- Fixed bug GH-23986 (/proc/self paths resolve to the parent process after pcntl_fork()).
PDO
- Fixed PDOStatement::getColumnMeta() reading out of bounds for an invalid column index.
- Fixed PDOStatement::bindColumn() registering a binding for a column name that is not in the result set.
- Fixed PDOStatement::execute() leaving the previous result available after a failed execution.
- Fixed a use-after-free when bindValue()/execute()/closeCursor() is called from a bound parameter's __toString() during execute().
- Fixed bug GH-23962 (Destroying a persistent PDO instance rolls back a transaction still in use by another instance).
- Fixed PDO::setAttribute() installing a PDO::ATTR_STATEMENT_CLASS class whose constructor arguments it rejects.
- Fixed PDO::ATTR_STATEMENT_CLASS constructor_args type errors reporting "array given" regardless of the value passed.
- Fixed PDOStatement::bindParam() and bindColumn() leaking the driver options value.
- Fixed PDOStatement not reporting its bound parameters and columns to the cycle collector.
- Fixed PDOStatement::setFetchMode() not applying changes atomically.
PDO_DBLIB
- Fixed bug GH-23741 (segfault after a failed query inside a PDO transaction). Errors raised by beginTransaction(), commit(), rollBack() and lastInsertId() are now reported instead of being dropped.
PDO_Firebird
- Fixed bug GH-23758 (PDO_Firebird returns null for non-null empty BLOBs).
PGSQL
- Fixed pg_lo_write() rejecting data containing null bytes.
- Removed pg_service(), unavailable with any released libpq.
Readline
- Fixed a heap over-read in the interactive shell prompt when cli.prompt is set to an empty string.
Reflection
- Fixed bug GH-23842 (ReflectionProperty::skipLazyInitialization() copies invalid constant defaults with OPcache).
Session
- Fixed session_start() continuing after a failed create_sid() when session.use_strict_mode rejects the supplied ID.
- Fixed exceptions from user-defined create_sid() handlers being replaced by return-value validation errors.
SimpleXML
- Fixed reconstructing a SimpleXMLElement freeing a child element that another variable still references.
SOAP
- Fixed bug GH-22895 (Heap use-after-free while encoding a Traversable with an illegal key).
- Fixed memory leak when load_wsdl_ex() failed to load.
SQLite
- Fixed a crash when SQLite3::close() is called from a userland callback.
Standard
- Fixed sha1_file() returning a digest for incomplete data after a stream read failure.
- Fixed iptcembed() corrupting JPEG headers when called recursively from an output handler.
- Fixed proc_open() leaking descriptor zero when descriptor setup fails.
- Fixed three Windows-only proc_open() defects: an uninitialized PROCESS_INFORMATION, an indeterminate comspec pointer after a failed lookup, and an unchecked CreateFileA() failure.
- Fix persistent stream context lifetime during shutdown (Levi Morrison)
- Fix wordwrap() ignoring an existing break at the end of the string (Nicolas Grekas)
- Fixed convert.quoted-printable-decode decoding lowercase hex digits to the wrong byte.
- Fixed chown() and lchown() failing to resolve user names in ZTS builds when getpwnam_r() needs a larger buffer.
Tidy
- Fixed a use-after-free when a tidyNode is used after its document is reparsed.
Zlib
- Fixed inflate_init() dropping the preset dictionary for raw streams with a non-default window.