PHP version 8.0.12 (21 Oct 2021)

CLI:

• Fixed bug #81496 (Server logs incorrect request method). (lauri)

Core:

• Fixed bug #81435 (Observer current_observed_frame may point to an old (overwritten) frame). (Bob)
• Fixed bug #81380 (Observer may not be initialized properly). (krakjoe)

DOM:

• Fixed bug #81433 (DOMElement::setIdAttribute() called twice may remove ID). (Viktor Volkov)

FFI:

• Fixed bug #79576 ("TYPE *" shows unhelpful message when type is not defined). (Dmitry)

FPM:

• Fixed bug #81026 (PHP-FPM oob R/W in root process leading to privilege escalation) (CVE-2021-21703). (Jakub Zelenka)

Fileinfo:

• Fixed bug #78987 (High memory usage during encoding detection). (Anatol)

Filter:

• Fixed bug #61700 (FILTER_FLAG_IPV6/FILTER_FLAG_NO_PRIV|RES_RANGE failing). (cmb, Nikita)

Opcache:

• Fixed bug #81472 (Cannot support large linux major/minor device number when read /proc/self/maps). (Lin Yang)

Reflection:

• ReflectionAttribute is no longer final. (sasezaki)

SPL:

• Fixed bug #80663 (Recursive SplFixedArray::setSize() may cause double-free). (cmb, Nikita, Tyson Andre)
• Fixed bug #81477 (LimitIterator + SplFileObject regression in 8.0.1). (cmb)

Standard:

• Fixed bug #69751 (Change Error message of sprintf/printf for missing/typo position specifier). (Aliaksandr Bystry)

Streams:

• Fixed bug #81475 (stream_isatty emits warning with attached stream wrapper). (cmb)

XML:

• Fixed bug #70962 (XML_OPTION_SKIP_WHITE strips embedded whitespace). (Aliaksandr Bystry, cmb)