{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-10T17:16:31.390","vulnerabilities":[{"cve":{"id":"CVE-2025-30194","sourceIdentifier":"security@open-xchange.com","published":"2025-04-29T12:15:31.983","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","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."},{"lang":"es","value":"Cuando DNSdist está configurado para proporcionar DoH a través del proveedor nghttp2, un atacante puede provocar una denegación de servicio creando un intercambio de DoH que desencadena un acceso ilegal a memoria (doble liberación) y el bloqueo de DNSdist, lo que provoca una denegación de servicio. La solución es actualizar a la versión 1.9.9 parcheada. Una alternativa es cambiar temporalmente al proveedor h2o hasta que DNSdist se actualice a una versión corregida. Agradecemos a Charles Howes por informarnos sobre este problema."}],"metrics":{"cvssMetricV31":[{"source":"security@open-xchange.com","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:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"weaknesses":[{"source":"security@open-xchange.com","type":"Secondary","description":[{"lang":"en","value":"CWE-416"}]}],"references":[{"url":"https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2025-02.html","source":"security@open-xchange.com"},{"url":"http://www.openwall.com/lists/oss-security/2025/04/29/1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-30194-detection-dnsdist-vulnerability","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.vicarius.io/vsociety/posts/cve-2025-30194-mitigate-dnsdist-vulnerability","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}