Package impact

php COMPOSER / symfony/yaml

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CVE Severity CVSS Risk Flags OS Vendor Published Description
CVE-2026-45133 low 2.5 9d ago Symfony hardened the parser when handling untrusted input
CVE-2026-45304 low 2.5 9d ago Symfony's YAML Parser Vulnerable to Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs")
CVE-2026-45305 low 2.5 9d ago Symfony's YAML Parser has a ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex