symfony/serializer Security Advisories for v2.0.9 (1)
- 
                        [CRITICAL] XML decoding attack vector through external entitiesPKSA-ft85-yyfg-zynf GHSA-j68w-pg49-f6vx Affected version: >=2.0.0,<2.0.11 Reported by: 
 GitHub, FriendsOfPHP/security-advisories