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CVE-2026-109413 Symfony: Unbounded Recursion in the YAML Inline Lexer Lets a Single Document Crash the Process

🗓️ 15 Oct 2026 14:57:00Reported by GoogleType 
osv-cve
 osv-cve
🔗 osv.dev👁 1 Views

Unbounded recursion in Symfony YAML lexer allows unauthenticated DoS via deep nesting.

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16 Oct 2026 02:47Current
5.9Medium risk
Vulners AI Score5.9
CVSS 48.7
1