PHP version 8.1.12 (27 Oct 2022)

Core:

• Fixes segfault with Fiber on FreeBSD i386 architecture. (David Carlier)

Fileinfo:

• Fixed bug GH-8805 (finfo returns wrong mime type for woff/woff2 files). (Anatol)

GD:

• Fixed bug #81739: OOB read due to insufficient input validation in imageloadfont(). (CVE-2022-31630) (cmb)

Hash:

• Fixed bug #81738: buffer overflow in hash_update() on long parameter. (CVE-2022-37454) (nicky at mouha dot be)

MBString:

• Fixed bug GH-9683 (Problem when ISO-2022-JP-MS is specified in mb_ encode_mimeheader). (Alex Dowad)

Opcache:

• Added indirect call reduction for jit on x86 architectures. (wxue1)

Session:

• Fixed bug GH-9583 (session_create_id() fails with user defined save handler that doesn't have a validateId() method). (Girgias)

Streams:

• Fixed bug GH-9590 (stream_select does not abort upon exception or empty valid fd set). (Arnaud)