PHP version 8.3.6 (11 Apr 2024)

Core:

• Fixed GH-13569 (GC buffer unnecessarily grows up to GC_MAX_BUF_SIZE when scanning WeakMaps). (Arnaud)
• Fixed bug GH-13612 (Corrupted memory in destructor with weak references). (nielsdos)
• Fixed bug GH-13446 (Restore exception handler after it finishes). (ilutov)
• Fixed bug GH-13784 (AX_GCC_FUNC_ATTRIBUTE failure). (Remi)
• Fixed bug GH-13670 (GC does not scale well with a lot of objects created in destructor). (Arnaud)

DOM:

• Add some missing ZPP checks. (nielsdos)
• Fix potential memory leak in XPath evaluation results. (nielsdos)

FPM:

• Fixed GH-11086 (FPM: config test runs twice in daemonised mode). (Jakub Zelenka)
• Fix incorrect check in fpm_shm_free(). (nielsdos)

GD:

• Fixed bug GH-12019 (add GDLIB_CFLAGS in feature tests). (Michael Orlitzky)

Gettext:

• Fixed sigabrt raised with dcgettext/dcngettext calls with gettext 0.22.5 with category set to LC_ALL. (David Carlier)

MySQLnd:

• Fix GH-13452 (Fixed handshake response [mysqlnd]). (Saki Takamachi)
• Fix incorrect charset length in check_mb_eucjpms(). (nielsdos)

Opcache:

• Fixed GH-13508 (JITed QM_ASSIGN may be optimized out when op1 is null). (Arnaud, Dmitry)
• Fixed GH-13712 (Segmentation fault for enabled observers when calling trait method of internal trait when opcache is loaded). (Bob)

Random:

• Fixed bug GH-13544 (Pre-PHP 8.2 compatibility for mt_srand with unknown modes). (timwolla)
• Fixed bug GH-13690 (Global Mt19937 is not properly reset in-between requests when MT_RAND_PHP is used). (timwolla)

Session:

• Fixed bug GH-13680 (Segfault with session_decode and compilation error). (nielsdos)

SPL:

• Fixed bug GH-13685 (Unexpected null pointer in zend_string.h). (nielsdos)

Standard:

• Fixed bug GH-11808 (Live filesystem modified by tests). (nielsdos)
• Fixed GH-13402 (Added validation of \n in $additional_headers of mail()). (SakiTakamachi)
• Fixed bug GH-13203 (file_put_contents fail on strings over 4GB on Windows). (divinity76)
• Fixed bug GHSA-pc52-254m-w9w7 (Command injection via array-ish $command parameter of proc_open). (CVE-2024-1874) (Jakub Zelenka)
• Fixed bug GHSA-wpj3-hf5j-x4v4 (__Host-/__Secure- cookie bypass due to partial CVE-2022-31629 fix). (CVE-2024-2756) (nielsdos)
• Fixed bug GHSA-h746-cjrr-wfmr (password_verify can erroneously return true, opening ATO risk). (CVE-2024-3096) (Jakub Zelenka) Fixed bug GHSA-fjp9-9hwx-59fq (mb_encode_mimeheader runs endlessly for some inputs). (CVE-2024-2757) (Alex Dowad)
• Fix bug GH-13932 (Attempt to fix mbstring on windows build) (msvc). (David Carlier)