{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T08:24:58.606","vulnerabilities":[{"cve":{"id":"CVE-2021-25219","sourceIdentifier":"security-officer@isc.org","published":"2021-10-27T21:15:07.613","lastModified":"2024-11-21T05:54:34.323","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In BIND 9.3.0 -> 9.11.35, 9.12.0 -> 9.16.21, and versions 9.9.3-S1 -> 9.11.35-S1 and 9.16.8-S1 -> 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response processing can cause degradation in BIND resolver performance. The way the lame cache is currently designed makes it possible for its internal data structures to grow almost infinitely, which may cause significant delays in client query processing."},{"lang":"es","value":"En BIND versiones 9.3.0 posteriores a 9.11.35, versiones 9.12.0 posteriores a 9.16.21, y en versiones 9.9.3-S1 posteriores a 9.11.35-S1 y versiones 9.16.8-S1 posteriores a 9.16.21-S1 de BIND Supported Preview Edition, así como en las versiones 9.17.0 -> 9.17.18 de la rama de desarrollo de BIND 9.17, una explotación de servidores autoritativos rotos usando un fallo en el procesamiento de respuestas puede causar una degradación en el rendimiento del resolver BIND. La forma en que está diseñada actualmente la caché de lame hace posible que sus estructuras de datos internas crezcan casi infinitamente, lo que puede causar retrasos significativos en el procesamiento de las consultas de los clientes"}],"metrics":{"cvssMetricV31":[{"source":"security-officer@isc.org","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*","versionStartIncluding":"9.3.0","versionEndExcluding":"9.11.36","matchCriteriaId":"0889BB06-FFB2-4F61-B8AB-0AEAC4AD8029"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*","versionStartIncluding":"9.12.0","versionEndExcluding":"9.16.22","matchCriteriaId":"53C15722-9393-4195-A685-151D1777B245"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*","versionStartIncluding":"9.17.0","versionEndExcluding":"9.17.19","matchCriteriaId":"40CC1E3A-075D-437B-8685-AB07FCB336F6"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.9.3:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"40EE014B-0CD8-45F3-BEDB-AE6368A78B04"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.9.12:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"DAF8FA8C-0526-4389-AEC6-92AD62AA3929"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.9.13:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"1A9BA952-A5DF-4CBA-8928-0B373C013C32"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"CAD41122-C5D8-4256-8CB7-FF88DCD96A13"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.10.7:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"6243685F-1E5B-4FF6-AE1B-44798032FBA6"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"C2FE13E1-0646-46FC-875B-CB4C34E20101"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.5:s3:*:*:supported_preview:*:*:*","matchCriteriaId":"1AA16E51-819C-4A1B-B66E-1C60C1782C0D"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*","matchCriteriaId":"91533F9F-C0E5-4E84-8A4C-F744F956BF97"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.5:s6:*:*:supported_preview:*:*:*","matchCriteriaId":"46E6A4BD-D69B-4A70-821D-5612DD1315EF"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"8AF9D390-0D5B-4963-A2D3-BF1E7CD95E9D"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.7:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"AB2B92F1-6BA8-41CA-9000-E0633462CC28"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.8:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"02CA4635-7DFC-408E-A837-856E0F96CA1B"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.12:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"3CABCB08-B838-45F7-AA87-77C6B8767DD0"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"5CC1F26C-4757-4C87-BD8B-2FA456A88C6F"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.27:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"582A4948-B64F-45D4-807A-846A85BB6B42"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.29:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"F22E7F6A-0714-480D-ACDF-5027FD6697B2"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.11.35:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"255AEB06-F071-4433-93E5-9436086C1A6D"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.16.8:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"288EAD80-574B-4839-9C2C-81D6D088A733"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"3595F024-F910-4356-8B5B-D478960FF574"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"94661BA2-27F8-4FFE-B844-9404F735579D"},{"vulnerable":true,"criteria":"cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:*","matchCriteriaId":"751E37C2-8BFD-4306-95C1-8C01CE495FA4"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"},{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","matchCriteriaId":"FA6FEEC2-9F11-4643-8827-749718254FED"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","matchCriteriaId":"E460AA51-FCDA-46B9-AE97-E6676AA5E194"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","matchCriteriaId":"A930E247-0B43-43CB-98FF-6CE7B8189835"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*","matchCriteriaId":"80E516C0-98A4-4ADE-B69F-66A772E2BAAA"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"6770B6C3-732E-4E22-BF1C-2D2FD610061C"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*","matchCriteriaId":"9F9C8C20-42EB-4AB5-BD97-212DEB070C43"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"7FFF7106-ED78-49BA-9EC5-B889E3685D53"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*","matchCriteriaId":"E63D8B0F-006E-4801-BF9D-1C001BBFB4F9"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"56409CEC-5A1E-4450-AA42-641E459CC2AF"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*","matchCriteriaId":"B06F4839-D16A-4A61-9BB5-55B13F41E47F"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"108A2215-50FB-4074-94CF-C130FA14566D"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*","matchCriteriaId":"7AFC73CE-ABB9-42D3-9A71-3F5BC5381E0E"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"32F0B6C0-F930-480D-962B-3F4EFDCC13C7"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*","matchCriteriaId":"803BC414-B250-4E3A-A478-A3881340D6B8"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"0FEB3337-BFDE-462A-908B-176F92053CEC"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*","matchCriteriaId":"736AEAE9-782B-4F71-9893-DED53367E102"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"D0B4AD8A-F172-4558-AEC6-FF424BA2D912"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*","matchCriteriaId":"8497A4C9-8474-4A62-8331-3FE862ED4098"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*","matchCriteriaId":"234DEFE0-5CE5-4B0A-96B8-5D227CB8ED31"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*","matchCriteriaId":"CDDF61B7-EC5C-467C-B710-B89F502CD04F"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*","matchCriteriaId":"5C2089EE-5D7F-47EC-8EA5-0F69790564C4"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*","versionEndExcluding":"1.0.1.1","matchCriteriaId":"B0F46497-4AB0-49A7-9453-CC26837BF253"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*","matchCriteriaId":"DFC79B17-E9D2-44D5-93ED-2F959E7A3D43"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*","matchCriteriaId":"AD04BEE5-E9A8-4584-A68C-0195CE9C402C"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*","matchCriteriaId":"D3E503FB-6279-4D4A-91D8-E237ECF9D2B0"}]}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","source":"security-officer@isc.org","tags":["Patch","Third Party Advisory"]},{"url":"https://kb.isc.org/v1/docs/cve-2021-25219","source":"security-officer@isc.org","tags":["Vendor Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html","source":"security-officer@isc.org","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EF4NAVRV4H3W4GA3LGGZYUKD3HSJBAVW/","source":"security-officer@isc.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGV7SA27CTYLGFJSPUM3V36ZWK7WWDI4/","source":"security-officer@isc.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTKC4E3HUOLYN5IA4EBL4VAQSWG2ZVTX/","source":"security-officer@isc.org"},{"url":"https://security.gentoo.org/glsa/202210-25","source":"security-officer@isc.org","tags":["Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20211118-0002/","source":"security-officer@isc.org","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4994","source":"security-officer@isc.org","tags":["Third Party Advisory"]},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","source":"security-officer@isc.org","tags":["Third Party Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://kb.isc.org/v1/docs/cve-2021-25219","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2021/11/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EF4NAVRV4H3W4GA3LGGZYUKD3HSJBAVW/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YGV7SA27CTYLGFJSPUM3V36ZWK7WWDI4/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTKC4E3HUOLYN5IA4EBL4VAQSWG2ZVTX/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/202210-25","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20211118-0002/","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.debian.org/security/2021/dsa-4994","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://www.oracle.com/security-alerts/cpuapr2022.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]}]}}]}