Changelog oficial Versión de seguridad

Core

• Fixed bug GH-22290 (AST pretty printing does not correctly handle strings containing NUL). (iliaal)
• Fixed bug GH-22206 (missing return in global register detection). (P3p111n0)
• Lock unmodified readonly properties for modification after clone-with. (NickSdot)

BCMath

• Fixed GHSA-x692-q9x7-8c3f (Out-of-bounds write in bccomp()). (CVE-2026-17544) (Recep Asan)

Calendar

• Fixed bug GH-22602 (gregoriantojd() and juliantojd() integer overflow with INT_MAX year). (arshidkv12)

Date

• Update timelib to 2022.17. (Derick)
• Fixed bug GH-19803 (Parsing a string with a single white space does create an error). (Derick)
• Fixed Unix timestamps in February of the year 0 are misparsed with @-notation. (LukasGelbmann)
• Fixed bug GH-11310 (__debugInfo does nothing on userland classes extending Date classes). (Derick)

DBA

• Fixed OOB read on malformed length field in dba flatfile handler. (alhudz)

DOM

• Fixed bug GH-22570 (Stack overflow when serializing a deeply nested Dom\XMLDocument). (iliaal)
• Fixed getElementsByClassName() item() returning the wrong element on random access. (David Carlier)

Exif

• Fixed bug GH-11020 (exif_read_data() emits a spurious "Illegal IFD size" warning when an IFD is not followed by a next-IFD offset). (Eyüp Can Akman)

GD

• Upgrade libgd. (CVE-2026-9672) (Pierre Joye)

Hash

• Fixed bug GH-18173 (ext/hash relies on implementation-defined malloc alignment). (iliaal)

ODBC

• Fixed bug GH-22668 (Heap buffer over-read when a column value exceeds the driver-reported display size). (iliaal)

Opcache

• Fixed bug GH-22158 (Tracing JIT dispatches the observer begin handler through the wrong run_time_cache slot on megamorphic calls). (ptondereau, iliaal)
• Fixed bug GH-22443 (Tracing JIT SIGSEGV on megamorphic dynamic calls from an undereferenced run_time_cache map_ptr offset). (iliaal)
• Fixed bug GH-21770 (Infinite recursion in property hook getter in opcache preloaded trait). (iliaal)

OpenSSL

• Fixed timeout for supplemental read at end of a blocking stream in SSL stream wrapper. (ilutov)

Intl

• Fixed Locale::lookup() and locale_lookup() to return NULL instead of the fallback locale when a language tag cannot be canonicalized. (Weilin Du)
• Fixed memory leaks when calling Collator::__construct() or Spoofchecker::__construct() twice. (Weilin Du)
• Fixed memory leak when calling IntlListFormatter::__construct() twice. (Weilin Du)
• Fixed IntlChar methods leaving stale global error state after successful calls. (Xuyang Zhang)

PDO_ODBC

• Fixed bug GH-20726 (Crash with ODBC connection pooling when the DSN carries no credentials). (iliaal)
• Fixed bug GH-22667 (Heap buffer over-read when a column value exceeds the driver-reported display size). (iliaal)
• Fixed bug GH-22666 (Heap buffer overflow when an output parameter value is longer than the declared maxlen). (iliaal)
• Fixed bug GH-22665 (Out-of-bounds write when the ODBC driver reports a diagnostic message length beyond the error buffer). (iliaal)

PGSQL

• Fixed GHSA-7qpv-r5mr-78m4 (SQL injection via E'...' backslash breakout). (CVE-2026-17543) (ilutov)

Phar

• Fixed inconsistent handling of the magic ".phar" directory. Paths such as "/.phar" remain protected, while non-magic paths that merely start with ".phar" are handled consistently across file and directory creation, copying, ArrayAccess, stream lookup, directory iteration and extraction. (Weilin Du)
• Fixed GHSA-vc5h-9ppw-p5f3 (Crash via recursive symlinks). (CVE-2026-7260) (Jakub Zelenka)

PHPDBG

• Fixed bug GH-17387 (Trivial crash in phpdbg lexer). (iliaal)
• Fixed fleaked lowercased lookup keys in phpdbg_resolve_opline_break. (jorgsowa)
• Fixed off-by-one in phpdbg_safe_class_lookup() causing class lookups to always fail during phpdbg's signal-safe interruption path. (jorgsowa)

Reflection

• Fixed bug GH-22324 (Ignore leading namespace separator in ReflectionParameter::__construct()). (jorgsowa)
• Fixed bug GH-22441 (ReflectionClass::hasProperty() and getProperty() ignore dynamic properties shadowing a private parent property). (iliaal)
• Fixed bug GH-22658 (ReflectionConstant::__toString() with a string value with null bytes truncates output). (DanielEScherzer)
• Fixed bug GH-22683 (Reflection(Class)Constant::__toString() should not warn on NAN conversions). (Khaled Alam)
• Fixed bug GH-22681 (Reflection*::__toString() truncates on null bytes). (DanielEScherzer)

Session

• Fixed bug GH-21314 (Different session garbage collector behavior between PHP 8.3 and PHP 8.5). (jorgsowa)

SPL

• Fix class_parents for classes with leading slash in non-autoload mode. (jorgsowa)
• Ignore leading back-slash in class_parents(), class_implements(), and class_uses(). (jorgsowa)
• Fixed bug GH-16217 (SplFileObject::fputcsv() on an uninitialized object segfaults). (iliaal)

Standard

• Fixed bug GH-22395 (base_convert() outputs at most 64 characters). (Weilin Du)
• Fixed bug GH-22678 (Use-after-free in array_multisort() when the comparator mutates the array being sorted). (azchin, iliaal)

URI

• Fixed behavior of Uri\WhatWg\Url wither methods with regards to empty opaque hosts. (kocsismate)
• Fixed bug GH-22628 (Percent-encoding of caret in WHATWG URL paths is not performed). (kocsismate)
• Fixed bug GH-22629 (WHATWG Validation error incorrect with empty host and non-empty userinfo). (kocsismate)

Zip

• Fixed bug GH-22649 (ZipArchive::setCommentName() and setCommentIndex() could crash after overwriting an entry and resetting its inherited unchanged comment). (Weilin Du)
• Fixed bug GH-21705 (ZipArchive::getFromIndex() ignores ZipArchive::FL_UNCHANGED for deleted entries). (Weilin Du)

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