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.Referenceshttps://support2.windriver.com/index.php?page=security-noticeshttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdfhttps://security.netapp.com/advisory/ntap-20190802-0001/https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12259https://support.f5.com/csp/article/K41190253https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdfhttps://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf