CVE-2026-107227

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{"bugzilla": {"description": "org.asynchttpclient/async-http-client: AsyncHttpClient: Denial of Service via unbounded WebSocket decompression", "id": "2547716", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547716"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-409", "details": ["A flaw was found in AsyncHttpClient. When WebSocket compression is enabled, decompressed data is not properly restricted by configured buffer size limits. A remote malicious peer can exploit this vulnerability by sending a small compressed message that expands excessively during decompression, exhausting Java Virtual Machine (JVM) memory and leading to a Denial of Service (DoS)."], "name": "CVE-2026-107227", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Affected", "package_name": "async-http-client", "product_name": "Red Hat Fuse 7"}], "public_date": "2026-10-07T20:51:04Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-107227\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-107227\nhttps://github.com/AsyncHttpClient/async-http-client/commit/b61637f30327f314b7693418f12ce141ac6b2b30\nhttps://github.com/AsyncHttpClient/async-http-client/releases/tag/async-http-client-project-3.0.14\nhttps://github.com/AsyncHttpClient/async-http-client/security/advisories/GHSA-x8v2-478q-2hvg"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.0.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.2.0,2.16.1]"}}], "enrichment": {"confidence": 89.0, "confidence_source": "matching", "scores": [{"score": 89.0, "source": "matching"}]}, "original": {"product": "async-http-client", "source": "cna", "vendor": "AsyncHttpClient"}, "product": "async-http-client", "vendor": "asynchttpclient_project"}], "created": "2026-10-07T23:15:08.705092+00:00", "updated": "2026-10-09T07:30:17.927288+00:00", "vendors": ["asynchttpclient_project", "asynchttpclient_project$PRODUCT$async-http-client"]}