{"api_version":"1","generated_at":"2026-04-22T13:00:33+00:00","cve":"CVE-2026-33262","urls":{"html":"https://cve.report/CVE-2026-33262","api":"https://cve.report/api/cve/CVE-2026-33262.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-33262","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-33262"},"summary":{"title":"Insufficient validation of cookie reply","description":"An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.","state":"PUBLISHED","assigner":"OX","published_at":"2026-04-22 10:16:51","updated_at":"2026-04-22 10:16:51"},"problem_types":["NULL Pointer Dereference"],"metrics":[{"version":"3.1","source":"security@open-xchange.com","type":"Secondary","score":"5.9","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"5.9","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html","name":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html","refsource":"security@open-xchange.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-33262","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33262","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"PowerDNS","product":"Recursor","version":"affected 5.4.0 5.4.1 semver","platforms":[]},{"source":"CNA","vendor":"PowerDNS","product":"Recursor","version":"affected 5.3.0 5.3.6 semver","platforms":[]},{"source":"CNA","vendor":"PowerDNS","product":"Recursor","version":"affected 5.2.0 5.2.9 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"ylwango613","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["Outgoing cookies"],"packageName":"pdns-recursor","product":"Recursor","programFiles":["lwres.cc"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"5.4.1","status":"affected","version":"5.4.0","versionType":"semver"},{"lessThan":"5.3.6","status":"affected","version":"5.3.0","versionType":"semver"},{"lessThan":"5.2.9","status":"affected","version":"5.2.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"ylwango613"}],"datePublic":"2026-04-21T22:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.</p>"}],"value":"An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"description":"NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-04-22T09:40:24.320Z","orgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","shortName":"OX"},"references":[{"url":"https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html"}],"source":{"discovery":"UNKNOWN"},"title":"Insufficient validation of cookie reply","x_generator":{"engine":"Vulnogram 1.0.1"}}},"cveMetadata":{"assignerOrgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","assignerShortName":"OX","cveId":"CVE-2026-33262","datePublished":"2026-04-22T09:40:24.320Z","dateReserved":"2026-03-18T10:06:16.573Z","dateUpdated":"2026-04-22T09:40:24.320Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-22 10:16:51","lastModifiedDate":"2026-04-22 10:16:51","problem_types":["NULL Pointer Dereference"],"metrics":{"cvssMetricV31":[{"source":"security@open-xchange.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"33262","Ordinal":"1","Title":"Insufficient validation of cookie reply","CVE":"CVE-2026-33262","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"33262","Ordinal":"1","NoteData":"An attacker can send replies that result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service. Cookies are disabled by default.","Type":"Description","Title":"Insufficient validation of cookie reply"}]}}}