{"id":"CVE-2025-55163","state":"PUBLISHED","title":"Netty MadeYouReset HTTP/2 DDoS Vulnerability","description":"Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit - which results in resource exhaustion and distributed denial of service. This issue has been patched in versions 4.1.124.Final and 4.2.4.Final.","publishedAt":"2025-08-13T14:17:36.111Z","updatedAt":"2025-11-04T21:13:02.288Z","severity":{"score":8.2,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["netty netty"],"affected":[{"vendor":"netty","product":"netty","versions":[{"version":"< 4.1.124.Final","status":"affected"},{"version":"< 4.2.4.Final","status":"affected"}]}],"references":["https://github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4","https://www.kb.cert.org/vuls/id/767506","http://www.openwall.com/lists/oss-security/2025/08/16/1"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/55xxx/CVE-2025-55163.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-55163","state":"PUBLISHED","datePublished":"2025-08-13T14:17:36.111Z","dateUpdated":"2025-11-04T21:13:02.288Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-08-07T18:27:23.307Z"},"containers":{"cna":{"title":"Netty MadeYouReset HTTP/2 DDoS Vulnerability","descriptions":[{"lang":"en","value":"Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit - which results in resource exhaustion and distributed denial of service. This issue has been patched in versions 4.1.124.Final and 4.2.4.Final."}],"affected":[{"vendor":"netty","product":"netty","versions":[{"version":"< 4.1.124.Final","status":"affected"},{"version":"< 4.2.4.Final","status":"affected"}]}],"references":[{"url":"https://github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4","name":"https://github.com/netty/netty/security/advisories/GHSA-prj3-ccx8-p6x4","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-08-13T14:17:36.111Z"},"source":{"advisory":"GHSA-prj3-ccx8-p6x4","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-13T14:37:06.148395Z","id":"CVE-2025-55163","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-13T14:37:20.727Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.kb.cert.org/vuls/id/767506"},{"url":"http://www.openwall.com/lists/oss-security/2025/08/16/1"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T21:13:02.288Z"}}]}}}