Symfony Yaml vulnerabilities

• eemeli yaml, sensiolabs symfony +1 more Symfony: YAML Parser ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex CVE-2026-45305 Fix available 8.7 HighMay 27, 2026
• eemeli yaml, sensiolabs symfony +1 more Symfony: YAML Parser Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs") CVE-2026-45304 Fix available 8.7 HighMay 27, 2026