GHSA-6377-hfv9-hqf6 Twig has unguarded calls to `__toString()` when nesting an object into an array

• Packagist twig/twig: < 3.11.2 → fixed in 3.11.2 • Packagist twig/twig: >= 3.12, < 3.14.1 → fixed in 3.14.1

Description In a sandbox, an attacker can call `__toString()` on an object even if the `__toString()` method is not allowed by the security policy when the object is part of an array or an argument list (arguments to a function or a filter for instance). Resolution The sandbox mode now checks the `__toString()` method call on all objects. The patch for this issue is available here for the 3.11.x branch, and here for the 3.x branch. Credits We would like to thank Jamie Schouten for reporting the issue and Fabien Potencier for providing the fix.