{"containers": {"cna": {"affected": [{"product": "BIND 9 Supported Preview Edition", "vendor": "ISC", "versions": [{"status": "affected", "version": "BIND 9 9.10.5-S1 -> 9.11.5-S5"}]}], "credits": [{"lang": "en", "value": "ISC would like to thank Quad9 for reporting this issue."}], "datePublic": "2019-04-24T00:00:00", "descriptions": [{"lang": "en", "value": "In BIND Supported Preview Edition, an error in the nxdomain-redirect feature can occur in versions which support EDNS Client Subnet (ECS) features. In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -> 9.11.5-S5. 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In those versions which have ECS support, enabling nxdomain-redirect is likely to lead to BIND exiting due to assertion failure. Versions affected: BIND Supported Preview Edition version 9.10.5-S1 -> 9.11.5-S5. 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{}