{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-24030","assignerOrgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","state":"PUBLISHED","assignerShortName":"OX","dateReserved":"2026-01-20T14:56:25.872Z","datePublished":"2026-03-31T12:01:00.883Z","dateUpdated":"2026-03-31T13:14:57.345Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["Incoming DNS over QUIC","Incoming DNS over HTTP/3"],"packageName":"dnsdist","product":"DNSdist","programFiles":["doq.cc","doh3.cc"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"1.9.12","status":"affected","version":"1.9.0","versionType":"semver"},{"lessThan":"2.0.3","status":"affected","version":"2.0.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"XavLimSG"}],"datePublic":"2026-03-30T22:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>An attacker might be able to trick DNSdist into allocating too much memory while processing DNS over QUIC or DNS over HTTP/3 payloads, resulting in a denial of service. In setups with a large quantity of memory available this usually results in an exception and the QUIC connection is properly closed, but in some cases the system might enter an out-of-memory state instead and terminate the process.</p>"}],"value":"An attacker might be able to trick DNSdist into allocating too much memory while processing DNS over QUIC or DNS over HTTP/3 payloads, resulting in a denial of service. In setups with a large quantity of memory available this usually results in an exception and the QUIC connection is properly closed, but in some cases the system might enter an out-of-memory state instead and terminate the process."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"description":"Uncontrolled Memory Allocation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","shortName":"OX","dateUpdated":"2026-03-31T12:01:00.883Z"},"references":[{"url":"https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html"}],"source":{"discovery":"UNKNOWN"},"title":"Unbounded memory allocation for DoQ and DoH3","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-789","lang":"en","description":"CWE-789 Memory Allocation with Excessive Size Value"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-31T13:14:53.937284Z","id":"CVE-2026-24030","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-31T13:14:57.345Z"}}]}}