{"id":"CVE-2025-24294","state":"PUBLISHED","title":"The attack vector is a potential Denial of Service (DoS). The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet.\r","description":"The attack vector is a potential Denial of Service (DoS). The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet.\r\n\r\nAn attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses such a packet, the name decompression process consumes a large amount of CPU resources, as the library does not limit the resulting length of the name.\r\n\r\nThis resource consumption can cause the application thread to become unresponsive, resulting in a Denial of Service condition.","publishedAt":"2025-07-12T03:30:40.226Z","updatedAt":"2025-07-16T13:37:43.395Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"hackerone","products":["Ruby resolv"],"affected":[{"vendor":"Ruby","product":"resolv","defaultStatus":"unaffected","versions":[{"version":"0.2","status":"affected","lessThanOrEqual":"0.2.2","versionType":"custom"},{"version":"0.3.0","status":"affected","lessThanOrEqual":"0.3.0","versionType":"custom"},{"version":"0.6","status":"affected","lessThanOrEqual":"0.6.1","versionType":"custom"}]}],"references":["https://www.ruby-lang.org/en/news/2025/07/08/dos-resolv-cve-2025-24294/"],"weaknesses":["CWE-400"],"ingestedAt":"2026-10-29T20:08:47.682Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/24xxx/CVE-2025-24294.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-24294","state":"PUBLISHED","datePublished":"2025-07-12T03:30:40.226Z","dateUpdated":"2025-07-16T13:37:43.395Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2025-01-17T01:00:07.458Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"The attack vector is a potential Denial of Service (DoS). The vulnerability is caused by an insufficient check on the length of a decompressed domain name within a DNS packet.\r\n\r\nAn attacker can craft a malicious DNS packet containing a highly compressed domain name. When the resolv library parses such a packet, the name decompression process consumes a large amount of CPU resources, as the library does not limit the resulting length of the name.\r\n\r\nThis resource consumption can cause the application thread to become unresponsive, resulting in a Denial of Service condition."}],"affected":[{"vendor":"Ruby","product":"resolv","defaultStatus":"unaffected","versions":[{"version":"0.2","status":"affected","lessThanOrEqual":"0.2.2","versionType":"custom"},{"version":"0.3.0","status":"affected","lessThanOrEqual":"0.3.0","versionType":"custom"},{"version":"0.6","status":"affected","lessThanOrEqual":"0.6.1","versionType":"custom"}]}],"references":[{"url":"https://www.ruby-lang.org/en/news/2025/07/08/dos-resolv-cve-2025-24294/"}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2025-07-12T03:30:40.226Z"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://www.ruby-lang.org/en/news/2025/07/08/dos-resolv-cve-2025-24294/","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"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"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-07-15T13:48:11.171487Z","id":"CVE-2025-24294","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-07-16T13:37:43.395Z"}}]}}}