BIT-LIBPHP-2024-11235 Reference counting in php_request_shutdown causes Use-After-Free

In PHP versions 8.3. before 8.3.19 and 8.4. before 8.4.5, a code sequence involving set handler or ??= operator and exceptions can lead to a use-after-free vulnerability. If the third party can control the memory layout leading to this, for example by supplying specially crafted inputs to the...