{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-30194","assignerOrgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","state":"PUBLISHED","assignerShortName":"OX","dateReserved":"2025-03-18T08:39:46.884Z","datePublished":"2025-04-29T11:25:47.141Z","dateUpdated":"2025-06-20T15:42:56.102Z"},"containers":{"cna":{"affected":[{"collectionURL":"https://repo.powerdns.com/","defaultStatus":"unaffected","modules":["DNS over HTTPS"],"packageName":"dnsdist","product":"DNSdist","programFiles":["dnsdist-doh-common.hh"],"repo":"https://github.com/PowerDNS/pdns","vendor":"PowerDNS","versions":[{"lessThan":"1.9.9","status":"affected","version":"1.9.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Charles Howes"}],"datePublic":"2025-04-29T10:17:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>When DNSdist is configured to provide DoH via the nghttp2 provider, an attacker can cause a denial of service by crafting a DoH exchange that triggers an illegal memory access (double-free) and crash of DNSdist, causing a denial of service.</p><p>The remedy is: upgrade to the patched 1.9.9 version.</p><p>A workaround is to temporarily switch to the h2o provider until DNSdist has been upgraded to a fixed version.</p><p>We would like to thank Charles Howes for bringing this issue to our attention.</p>"}],"value":"When DNSdist is configured to provide DoH via the nghttp2 provider, an attacker can cause a denial of service by crafting a DoH exchange that triggers an illegal memory access (double-free) and crash of DNSdist, causing a denial of service.\n\nThe remedy is: upgrade to the patched 1.9.9 version.\n\nA workaround is to temporarily switch to the h2o provider until DNSdist has been upgraded to a fixed version.\n\nWe would like to thank Charles Howes for bringing this issue to our attention."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","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:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 User After Free","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8ce71d90-2354-404b-a86e-bec2cc4e6981","shortName":"OX","dateUpdated":"2025-04-29T11:27:04.926Z"},"references":[{"url":"https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-02.html"}],"source":{"advisory":"PowerDNS Security Advisory 2025-02","discovery":"EXTERNAL"},"title":"Denial of service via crafted DoH exchange","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-06-20T15:42:56.102Z"},"references":[{"url":"http://www.openwall.com/lists/oss-security/2025/04/29/1"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-30194-detection-dnsdist-vulnerability"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-30194-mitigate-dnsdist-vulnerability"}],"title":"CVE Program Container","x_generator":{"engine":"ADPogram 0.0.1"}},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-29T13:24:59.318458Z","id":"CVE-2025-30194","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":"2025-04-29T13:25:09.226Z"}}]}}