{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-53114","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2025-06-25T13:41:23.088Z","datePublished":"2026-06-18T16:25:47.388Z","dateUpdated":"2026-06-18T17:33:39.552Z"},"containers":{"cna":{"title":"CometD has acknowledgement extension out of memory","problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]}],"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"}}],"references":[{"name":"https://github.com/cometd/cometd/security/advisories/GHSA-cqgj-h8vf-4w59","tags":["x_refsource_CONFIRM"],"url":"https://github.com/cometd/cometd/security/advisories/GHSA-cqgj-h8vf-4w59"},{"name":"https://github.com/cometd/cometd/issues/2117","tags":["x_refsource_MISC"],"url":"https://github.com/cometd/cometd/issues/2117"},{"name":"https://github.com/cometd/cometd/pull/2118","tags":["x_refsource_MISC"],"url":"https://github.com/cometd/cometd/pull/2118"},{"name":"https://github.com/cometd/cometd/pull/2168","tags":["x_refsource_MISC"],"url":"https://github.com/cometd/cometd/pull/2168"},{"name":"https://github.com/cometd/cometd/pull/2169","tags":["x_refsource_MISC"],"url":"https://github.com/cometd/cometd/pull/2169"},{"name":"https://github.com/cometd/cometd/discussions/2116","tags":["x_refsource_MISC"],"url":"https://github.com/cometd/cometd/discussions/2116"}],"affected":[{"vendor":"cometd","product":"cometd","versions":[{"version":">= 5.0.0, < 5.0.23","status":"affected"},{"version":">= 6.0.0, < 6.0.19","status":"affected"},{"version":">= 7.0.0, < 7.0.19","status":"affected"},{"version":">= 8.0.0, < 8.0.9","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-18T16:25:47.388Z"},"descriptions":[{"lang":"en","value":"CometD is a scalable comet implementation for web messaging. In versions 5.0.0 through 5.0.22, 6.0.0 through 6.0.18, 7.0.0 through 7.0.18, and 8.0.0 through 8.0.8, bad clients that always send a fixed batch value when the server is using the acknowledgement extension may cause the unacknowledged message queue to grow indefinitely, eventually causing an `OutOfMemoryError`. Versions 5.0.23, 6.0.19, 7.0.19, and 8.0.9 patch the issue. As a workaround, disable the acknowledgement extension."}],"source":{"advisory":"GHSA-cqgj-h8vf-4w59","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-18T17:30:58.888648Z","id":"CVE-2025-53114","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":"2026-06-18T17:33:39.552Z"}}]}}