CVE-2026-33260

{"id": "CVE-2026-33260", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33260", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-22T17:54:50.556616Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@open-xchange.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@open-xchange.com", "affectedData": [{"repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "modules": ["YaHTTP"], "product": "Authoritative", "versions": [{"status": "affected", "version": "5.0.0", "lessThan": "5.0.4", "versionType": "semver"}, {"status": "affected", "version": "4.9.0", "lessThan": "4.9.14", "versionType": "semver"}], "packageName": "pdns", "programFiles": ["reqresp.cpp", "reqresp.hpp"], "collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected"}, {"repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "modules": ["YaHTTP"], "product": "DNSdist", "versions": [{"status": "affected", "version": "1.9.0", "lessThan": "1.9.13", "versionType": "semver"}, {"status": "affected", "version": "2.0.0", "lessThan": "2.0.4", "versionType": "semver"}], "packageName": "dnsdist", "programFiles": ["reqresp.cpp", "reqresp.hpp"], "collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected"}, {"repo": "https://github.com/PowerDNS/pdns", "vendor": "PowerDNS", "modules": ["YaHTTP"], "product": "Recursor", "versions": [{"status": "affected", "version": "5.4.0", "lessThan": "5.4.1", "versionType": "semver"}, {"status": "affected", "version": "5.3.0", "lessThan": "5.3.6", "versionType": "semver"}, {"status": "affected", "version": "5.2.0", "lessThan": "5.2.9", "versionType": "semver"}], "packageName": "pdns-recursor", "programFiles": ["reqresp.cpp", "reqresp.hpp"], "collectionURL": "https://repo.powerdns.com/", "defaultStatus": "unaffected"}]}], "published": "2026-04-22T10:16:51.700", "references": [{"url": "https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2026-05.html", "tags": ["Vendor Advisory"], "source": "security@open-xchange.com"}, {"url": "https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-powerdns-2026-03.html", "tags": ["Broken Link", "Vendor Advisory"], "source": "security@open-xchange.com"}, {"url": "https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-04.html", "tags": ["Vendor Advisory"], "source": "security@open-xchange.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default."}], "lastModified": "2026-06-17T10:37:12.767", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "08464BC2-733F-4260-878D-DE05919A7A7D", "versionEndExcluding": "4.9.14", "versionStartIncluding": "4.9.0"}, {"criteria": "cpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A26C526E-15DC-41BE-9B66-FC6A63679562", "versionEndExcluding": "5.0.4", "versionStartIncluding": "5.0.0"}, {"criteria": "cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DCC2DF11-EC5C-4112-90F2-C266CB65D390", "versionEndExcluding": "1.9.13", "versionStartIncluding": "1.9.0"}, {"criteria": "cpe:2.3:a:powerdns:dnsdist:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "29865EC6-C1A0-40F3-B0BB-7F71F9C1DCB7", "versionEndExcluding": "2.0.4", "versionStartIncluding": "2.0.0"}, {"criteria": "cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EBDA7C62-FAD4-470C-A6FE-4CF19B0BD4AD", "versionEndExcluding": "5.2.9", "versionStartIncluding": "5.2.0"}, {"criteria": "cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F7AC884-348F-47B1-8853-49BFEDBEA9EA", "versionEndExcluding": "5.3.6", "versionStartIncluding": "5.3.0"}, {"criteria": "cpe:2.3:a:powerdns:recursor:5.4.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4B201BAD-5A74-45E9-91FD-5E950BA18BF3"}], "operator": "OR"}]}], "sourceIdentifier": "security@open-xchange.com"}