CVE-2026-7260 Stack overflow in phar with circular symlinks

Circular symbolic links in phar archives could lead to unbounded recursion, exhausting the C stack and crashing the PHP process, in PHP versions from 8.2. before 8.2.33, from 8.3. before 8.3.33, from 8.4. before 8.4.24, and from 8.5. before 8.5.9...