{"api_version":"1","generated_at":"2026-04-22T19:50:33+00:00","cve":"CVE-2022-3736","urls":{"html":"https://cve.report/CVE-2022-3736","api":"https://cve.report/api/cve/CVE-2022-3736.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-3736","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-3736"},"summary":{"title":"CVE-2022-3736","description":"BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1.","state":"PUBLIC","assigner":"security-officer@isc.org","published_at":"2023-01-26 21:15:00","updated_at":"2023-11-07 03:51:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://kb.isc.org/docs/cve-2022-3736","name":"https://kb.isc.org/docs/cve-2022-3736","refsource":"MISC","tags":[],"title":"CVE-2022-3736: named configured to answer from stale cache may termina","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-3736","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-3736","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"3736","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"isc","cpe5":"bind","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"-","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3736","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"isc","cpe5":"bind","cpe6":"9.16.11","cpe7":"s1","cpe8":"*","cpe9":"*","cpe10":"supported_preview","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3736","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"isc","cpe5":"bind","cpe6":"9.16.13","cpe7":"s1","cpe8":"*","cpe9":"*","cpe10":"supported_preview","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3736","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"isc","cpe5":"bind","cpe6":"9.16.14","cpe7":"s1","cpe8":"*","cpe9":"*","cpe10":"supported_preview","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3736","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"isc","cpe5":"bind","cpe6":"9.16.21","cpe7":"s1","cpe8":"*","cpe9":"*","cpe10":"supported_preview","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3736","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"isc","cpe5":"bind","cpe6":"9.16.32","cpe7":"s1","cpe8":"*","cpe9":"*","cpe10":"supported_preview","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"3736","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"isc","cpe5":"bind","cpe6":"9.16.36","cpe7":"s1","cpe8":"*","cpe9":"*","cpe10":"supported_preview","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2022-3736","qid":"15133","title":"ISC 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(13197)"},{"cve":"CVE-2022-3736","qid":"905380","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for bind (13203)"},{"cve":"CVE-2022-3736","qid":"905652","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for bind (13197-1)"},{"cve":"CVE-2022-3736","qid":"906579","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for bind (13197-3)"},{"cve":"CVE-2022-3736","qid":"907300","title":"Common Base Linux Mariner (CBL-Mariner) Security Update for bind (13203-1)"},{"cve":"CVE-2022-3736","qid":"941004","title":"AlmaLinux Security Update for bind (ALSA-2023:2261)"},{"cve":"CVE-2022-3736","qid":"941073","title":"AlmaLinux Security Update for bind9.16 (ALSA-2023:2792)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2022-3736","ASSIGNER":"security-officer@isc.org","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"BIND 9 resolver can crash when stale cache and stale answers are enabled, option `stale-answer-client-timeout` is set to a positive integer, and the resolver receives an RRSIG query. This issue affects BIND 9 versions 9.16.12 through 9.16.36, 9.18.0 through 9.18.10, 9.19.0 through 9.19.8, and 9.16.12-S1 through 9.16.36-S1."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"ISC","product":{"product_data":[{"product_name":"BIND 9","version":{"version_data":[{"version_value":"9.16.12","version_affected":"="},{"version_value":"9.18.0","version_affected":"="},{"version_value":"9.19.0","version_affected":"="},{"version_value":"9.16.12-S1","version_affected":"="}]}}]}}]}},"references":{"reference_data":[{"url":"https://kb.isc.org/docs/cve-2022-3736","refsource":"MISC","name":"https://kb.isc.org/docs/cve-2022-3736"}]},"source":{"discovery":"EXTERNAL"},"work_around":[{"lang":"en","value":"Setting `stale-answer-client-timeout` to `0` or to `off/disabled` will prevent BIND from crashing due to this issue."}],"exploit":[{"lang":"en","value":"We are not aware of any active exploits."}],"solution":[{"lang":"en","value":"Upgrade to the patched release most closely related to your current version of BIND 9: 9.16.37, 9.18.11, 9.19.9, or 9.16.37-S1."}],"credits":[{"lang":"en","value":"ISC would like to thank Borja Marcos from Sarenet (with assistance by Iratxe Niño from Fundación Sarenet) for bringing this vulnerability to our attention."}],"impact":{"cvss":[{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}]}},"nvd":{"publishedDate":"2023-01-26 21:15:00","lastModifiedDate":"2023-11-07 03:51:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*","versionStartIncluding":"9.19.0","versionEndExcluding":"9.19.9","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*","versionStartIncluding":"9.18.0","versionEndExcluding":"9.18.11","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:9.16.36:s1:*:*:supported_preview:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*","versionStartIncluding":"9.16.12","versionEndExcluding":"9.16.37","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}