{"id":"GHSA-8mpp-f3f7-xc28","summary":"Jetty SslConnection does not release pooled ByteBuffers in case of errors","details":"### Impact\n`SslConnection` does not release `ByteBuffer`s in case of error code paths.\nFor example, TLS handshakes that require client-auth with clients that send expired certificates will trigger a TLS handshake errors and the `ByteBuffer`s used to process the TLS handshake will be leaked.\n\n### Workarounds\nConfigure explicitly a `RetainableByteBufferPool` with `max[Heap|Direct]Memory` to limit the amount of memory that is leaked.\nEventually the pool will be full of \"active\" entries (the leaked ones) and will provide `ByteBuffer`s that will be GCed normally.\n\n_With embedded-jetty_\n\n``` java\nint maxBucketSize = 1000;\nlong maxHeapMemory = 128 * 1024L * 1024L; // 128 MB\nlong maxDirectMemory = 128 * 1024L * 1024L; // 128 MB\nRetainableByteBufferPool rbbp = new ArrayRetainableByteBufferPool(0, -1, -1, maxBucketSize, maxHeapMemory, maxDirectMemory);\n\nserver.addBean(rbbp); // make sure the ArrayRetainableByteBufferPool is added before the server is started\nserver.start();\n```\n\n_With jetty-home/jetty-base_\n\nCreate a `${jetty.base}/etc/retainable-byte-buffer-config.xml`\n\n``` xml\n\u003c?xml version=\"1.0\"?\u003e\n\u003c!DOCTYPE Configure PUBLIC \"-//Jetty//Configure//EN\" \"https://www.eclipse.org/jetty/configure_10_0.dtd\"\u003e\n\n\u003cConfigure id=\"Server\" class=\"org.eclipse.jetty.server.Server\"\u003e\n  \u003cCall name=\"addBean\"\u003e\n    \u003cArg\u003e\n      \u003cNew class=\"org.eclipse.jetty.io.ArrayRetainableByteBufferPool\"\u003e\n        \u003cArg type=\"int\"\u003e\u003cProperty name=\"jetty.byteBufferPool.minCapacity\" default=\"0\"/\u003e\u003c/Arg\u003e\n        \u003cArg type=\"int\"\u003e\u003cProperty name=\"jetty.byteBufferPool.factor\" default=\"-1\"/\u003e\u003c/Arg\u003e\n        \u003cArg type=\"int\"\u003e\u003cProperty name=\"jetty.byteBufferPool.maxCapacity\" default=\"-1\"/\u003e\u003c/Arg\u003e\n        \u003cArg type=\"int\"\u003e\u003cProperty name=\"jetty.byteBufferPool.maxBucketSize\" default=\"1000\"/\u003e\u003c/Arg\u003e\n        \u003cArg type=\"long\"\u003e\u003cProperty name=\"jetty.byteBufferPool.maxHeapMemory\" default=\"128000000\"/\u003e\u003c/Arg\u003e\n        \u003cArg type=\"long\"\u003e\u003cProperty name=\"jetty.byteBufferPool.maxDirectMemory\" default=\"128000000\"/\u003e\u003c/Arg\u003e\n      \u003c/New\u003e\n    \u003c/Arg\u003e\n  \u003c/Call\u003e\n\u003c/Configure\u003e\n```\n\nAnd then reference it in `${jetty.base}/start.d/retainable-byte-buffer-config.ini`\n\n```\netc/retainable-byte-buffer-config.xml\n```\n\n\n### References\nhttps://github.com/eclipse/jetty.project/issues/8161\n\n### For more information\n* Email us at [security@webtide.com](mailto:security@webtide.com)\n","aliases":["CVE-2022-2191"],"modified":"2026-07-08T06:27:39.874056969Z","published":"2022-07-07T20:55:37Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2022-07-07T20:55:37Z","nvd_published_at":"2022-07-07T21:15:00Z","cwe_ids":["CWE-404"]},"references":[{"type":"WEB","url":"https://github.com/eclipse/jetty.project/security/advisories/GHSA-8mpp-f3f7-xc28"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2191"},{"type":"WEB","url":"https://github.com/eclipse/jetty.project/issues/8161"},{"type":"WEB","url":"https://github.com/eclipse/jetty.project"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20220909-0003"}],"affected":[{"package":{"name":"org.eclipse.jetty:jetty-server","ecosystem":"Maven","purl":"pkg:maven/org.eclipse.jetty/jetty-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.0.0"},{"fixed":"10.0.10"}]}],"versions":["10.0.0","10.0.1","10.0.2","10.0.3","10.0.4","10.0.5","10.0.6","10.0.7","10.0.8","10.0.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/07/GHSA-8mpp-f3f7-xc28/GHSA-8mpp-f3f7-xc28.json"}},{"package":{"name":"org.eclipse.jetty:jetty-server","ecosystem":"Maven","purl":"pkg:maven/org.eclipse.jetty/jetty-server"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.0.10"}]}],"versions":["11.0.0","11.0.1","11.0.2","11.0.3","11.0.4","11.0.5","11.0.6","11.0.7","11.0.8","11.0.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/07/GHSA-8mpp-f3f7-xc28/GHSA-8mpp-f3f7-xc28.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}