Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf