{"containers":{"cna":{"affected":[{"product":"BIND 9","vendor":"ISC","versions":[{"status":"affected","version":"BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1."}]}],"credits":[{"lang":"en","value":"ISC would like to thank CERN for helping us to discover this issue."}],"datePublic":"2019-06-19T00:00:00.000Z","descriptions":[{"lang":"en","value":"A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1."}],"metrics":[{"cvssV3_0":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"}}],"problemTypes":[{"descriptions":[{"description":"An attacker who can cause a resolver to perform queries which will be answered by a server which responds with deliberately malformed answers can cause named to exit, denying service to clients.","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2019-10-09T19:07:11.000Z","orgId":"404fd4d2-a609-4245-b543-2c944a302a22","shortName":"isc"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://kb.isc.org/docs/cve-2019-6471"},{"tags":["x_refsource_CONFIRM"],"url":"https://support.f5.com/csp/article/K10092301?utm_source=f5support&amp%3Butm_medium=RSS"}],"solutions":[{"lang":"en","value":"Upgrade to the patched release most closely related to your current version of BIND:\n\n    BIND 9.11.8\n    BIND 9.12.4-P2\n    BIND 9.14.3\n    BIND 9.15.1\n\nBIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers.\n\n    BIND 9.11.8-S1"}],"source":{"discovery":"USER"},"title":"A race condition when discarding malformed packets can cause BIND to exit with an assertion failure","x_generator":{"engine":"Vulnogram 0.0.7"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-officer@isc.org","DATE_PUBLIC":"2019-06-19T23:00:00.000Z","ID":"CVE-2019-6471","STATE":"PUBLIC","TITLE":"A race condition when discarding malformed packets can cause BIND to exit with an assertion failure"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"BIND 9","version":{"version_data":[{"version_name":"BIND 9","version_value":"BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. Also all releases of the BIND 9.13 development branch and version 9.15.0 of the BIND 9.15 development branch and BIND Supported Preview Edition versions 9.11.3-S1 -> 9.11.7-S1."}]}}]},"vendor_name":"ISC"}]}},"credit":[{"lang":"eng","value":"ISC would like to thank CERN for helping us to discover this issue."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A race condition which may occur when discarding malformed packets can result in BIND exiting due to a REQUIRE assertion failure in dispatch.c. Versions affected: BIND 9.11.0 -> 9.11.7, 9.12.0 -> 9.12.4-P1, 9.14.0 -> 9.14.2. 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