{"id":"CVE-2026-59878","state":"PUBLISHED","title":"Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All: AMQP NIO negative frame size validation bypass leading to DoS","description":"Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All.\n\nA remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done rapidly enough can lead to exhaustion of the NIO thread pool denying service to other connections.\nThis issue affects Apache ActiveMQ AMQP: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ All: before 5.19.9, from 6.0.0 before 6.2.8.\n\nUsers are recommended to upgrade to version 5.19.9, 6.2.8, or 6.3.0 which fixes the issue.","publishedAt":"2026-07-28T13:33:54.909Z","updatedAt":"2026-07-28T14:05:06.447Z","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":"apache","products":["Apache Software Foundation Apache ActiveMQ AMQP","Apache Software Foundation Apache ActiveMQ","Apache Software Foundation Apache ActiveMQ All"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache ActiveMQ AMQP","packageName":"org.apache.activemq:activemq-amqp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.19.9","versionType":"semver"},{"version":"6.0.0","status":"affected","lessThan":"6.2.8","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"},{"vendor":"Apache Software Foundation","product":"Apache ActiveMQ","packageName":"org.apache.activemq:apache-activemq","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.19.9","versionType":"semver"},{"version":"6.0.0","status":"affected","lessThan":"6.2.8","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"},{"vendor":"Apache Software Foundation","product":"Apache ActiveMQ All","packageName":"org.apache.activemq:activemq-all","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.19.9","versionType":"semver"},{"version":"6.0.0","status":"affected","lessThan":"6.2.8","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":["https://lists.apache.org/thread/dnyx4d2oldshcj4lthso7b53y4bqmjvn","http://www.openwall.com/lists/oss-security/2026/07/27/7"],"weaknesses":["CWE-20"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/59xxx/CVE-2026-59878.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59878","state":"PUBLISHED","datePublished":"2026-07-28T13:33:54.909Z","dateUpdated":"2026-07-28T14:05:06.447Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-07-07T16:19:11.276Z"},"containers":{"cna":{"title":"Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All: AMQP NIO negative frame size validation bypass leading to DoS","descriptions":[{"lang":"en","value":"Improper Input Validation vulnerability in Apache ActiveMQ AMQP, Apache ActiveMQ, Apache ActiveMQ All.\n\nA remote unauthenticated peer that can reach an exposed AMQP NIO connector can trigger denial-of-service behavior by sending a frame size value. This cause the NIO threads to die and if done rapidly enough can lead to exhaustion of the NIO thread pool denying service to other connections.\nThis issue affects Apache ActiveMQ AMQP: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ: before 5.19.9, from 6.0.0 before 6.2.8; Apache ActiveMQ All: before 5.19.9, from 6.0.0 before 6.2.8.\n\nUsers are recommended to upgrade to version 5.19.9, 6.2.8, or 6.3.0 which fixes the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache ActiveMQ AMQP","packageName":"org.apache.activemq:activemq-amqp","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.19.9","versionType":"semver"},{"version":"6.0.0","status":"affected","lessThan":"6.2.8","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"},{"vendor":"Apache Software Foundation","product":"Apache ActiveMQ","packageName":"org.apache.activemq:apache-activemq","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.19.9","versionType":"semver"},{"version":"6.0.0","status":"affected","lessThan":"6.2.8","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"},{"vendor":"Apache Software Foundation","product":"Apache ActiveMQ All","packageName":"org.apache.activemq:activemq-all","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"5.19.9","versionType":"semver"},{"version":"6.0.0","status":"affected","lessThan":"6.2.8","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":[{"url":"https://lists.apache.org/thread/dnyx4d2oldshcj4lthso7b53y4bqmjvn","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-07-28T13:33:54.909Z"},"credits":[{"lang":"en","type":"finder","value":"zx (Jace)"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/07/27/7"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-07-28T13:37:49.195Z"}},{"title":"CISA ADP Vulnrichment","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":"2026-07-28T14:04:48.067427Z","id":"CVE-2026-59878","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":"2026-07-28T14:05:06.447Z"}}]}}}