{"api_version":"1","generated_at":"2026-07-24T20:01:34+00:00","cve":"CVE-2026-10822","urls":{"html":"https://cve.report/CVE-2026-10822","api":"https://cve.report/api/cve/CVE-2026-10822.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-10822","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-10822"},"summary":{"title":"Key Record using PRIVATEDNS algorithm may lead to unexpected exit","description":"If BIND encounters a particular invalid data structure in a DNS record, it will accept the invalid data, and may subsequently abort and exit.\n\nBIND will first need to store a DNS record for a key (KEY, DNSKEY, etc.). That key must specify a PRIVATEDNS algorithm (253), and in the algorithm identifier, improperly give a length longer than the actual identifier data. The invalid identifier will be stored. If BIND later needs to render that record to text, it will use the invalid length during processing, leading to a consistency check failing.\nThis issue affects BIND 9 versions 9.18.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.18.11-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.","state":"PUBLISHED","assigner":"isc","published_at":"2026-07-22 15:16:51","updated_at":"2026-07-22 20:33:11"},"problem_types":["CWE-617","CWE-1284","CWE-617 CWE-617 Reachable Assertion","CWE-1284 CWE-1284 Improper Validation of Specified Quantity in Input"],"metrics":[{"version":"3.1","source":"security-officer@isc.org","type":"Secondary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://kb.isc.org/docs/cve-2026-10822","name":"https://kb.isc.org/docs/cve-2026-10822","refsource":"security-officer@isc.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://downloads.isc.org/isc/bind9/9.21.24","name":"https://downloads.isc.org/isc/bind9/9.21.24","refsource":"security-officer@isc.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://downloads.isc.org/isc/bind9/9.20.26","name":"https://downloads.isc.org/isc/bind9/9.20.26","refsource":"security-officer@isc.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-10822","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-10822","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"ISC","product":"BIND 9","version":"affected 9.18.0 9.18.50 custom","platforms":[]},{"source":"CNA","vendor":"ISC","product":"BIND 9","version":"affected 9.20.0 9.20.24 custom","platforms":[]},{"source":"CNA","vendor":"ISC","product":"BIND 9","version":"affected 9.21.0 9.21.23 custom","platforms":[]},{"source":"CNA","vendor":"ISC","product":"BIND 9","version":"affected 9.18.11-S1 9.18.50-S1 custom","platforms":[]},{"source":"CNA","vendor":"ISC","product":"BIND 9","version":"affected 9.20.9-S1 9.20.24-S1 custom","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to the patched release most closely related to your current version of BIND 9: 9.20.26, 9.21.24, or 9.20.26-S1.","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"No workarounds known.","time":"","lang":"en"}],"exploits":[{"source":"CNA","title":"","value":"This flaw was discovered in internal testing. 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