PHP BCMath 8.5.8 Remote Code Execution

PHP BCMath versions 8.4.0 through 8.4.23 and 8.5.0 through 8.5.8 contain an out-of-bounds write vulnerability in bcstr2num. The issue can be leveraged from an existing PHP code execution context to corrupt Zend heap metadata, establish arbitrary memory access, resolve native PHP function handlers...