{"id":"CVE-2022-2191","aliases":["EUVD-2022-6294","GHSA-8mpp-f3f7-xc28","UBUNTU-CVE-2022-2191"],"status":"published","title":"Jetty SslConnection does not release pooled ByteBuffers in case of errors","description":"In Eclipse Jetty versions 10.0.0 thru 10.0.9, and 11.0.0 thru 11.0.9 versions, SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.02178,"percentile":0.82462,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-404","CWE-664"],"published":"2022-07-07T20:45:16Z","modified":"2026-10-28T02:30:42Z","fixes":[{"ecosystem":"Maven","package":"org.eclipse.jetty:jetty-server","fixed_in":["11.0.10","10.0.10"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.eclipse.jetty:jetty-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.0.10"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.eclipse.jetty:jetty-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"10.0.0"},{"fixed":"10.0.10"}]}]},{"source":"osv","ecosystem":"Maven","package":"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"]},{"source":"osv","ecosystem":"Maven","package":"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"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"jetty","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.1.26-1ubuntu1","6.1.26-1ubuntu1.1","6.1.26-1ubuntu1.2"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"jetty8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.1.3-8","8.1.3-9"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"jetty","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.1.26-5","6.1.26-5ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"jetty8","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.1.17-2","8.1.18-1","8.1.18-2","8.1.18-3","8.1.19-1"]}],"products":[{"vendor":"eclipse","product":"jetty"},{"vendor":"eclipse foundation","product":"eclipse jetty"},{"vendor":"the eclipse foundation","product":"eclipse jetty"}],"references":[{"url":"https://github.com/eclipse/jetty.project/security/advisories/GHSA-8mpp-f3f7-xc28","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Vendor Advisory","advisory","web","report"]},{"url":"https://security.netapp.com/advisory/ntap-20220909-0003/","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2191","tags":["advisory"]},{"url":"https://github.com/eclipse/jetty.project/issues/8161","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8mpp-f3f7-xc28"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2191.json","tags":["advisory"]},{"url":"https://github.com/eclipse/jetty.project","tags":["web"]},{"url":"https://security.netapp.com/advisory/ntap-20220909-0003","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2022-2191","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-2191","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2022-2191","description":"In Eclipse Jetty versions 10.0.0 thru 10.0.9, and 11.0.0 thru 11.0.9 versions, SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths.","status":"published","published":"2022-07-07T20:45:16Z","modified":"2024-08-03T00:32:08.749Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-404","CWE-664"],"updated_at":"2026-11-02T14:34:32.156873Z"}],"euvd":[{"id":"EUVD-2022-6294","description":"In Eclipse Jetty versions 10.0.0 thru 10.0.9, and 11.0.0 thru 11.0.9 versions, SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths.","status":"published","published":"2022-07-07T20:45:16Z","modified":"2024-08-03T00:32:08Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:25:58.940602Z"}],"ghsa":[{"id":"GHSA-8mpp-f3f7-xc28","title":"Jetty SslConnection does not release pooled ByteBuffers in case of errors","description":"### 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","status":"published","published":"2022-07-07T20:55:37Z","modified":"2023-01-28T05:02:59Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:36:23.433782Z"}],"nvd":[{"id":"CVE-2022-2191","description":"In Eclipse Jetty versions 10.0.0 thru 10.0.9, and 11.0.0 thru 11.0.9 versions, SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths.","status":"published","published":"2022-07-07T21:15:10.21Z","modified":"2026-06-17T04:41:28.26Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-404","CWE-664"],"updated_at":"2026-11-02T14:07:22.966735Z"}],"osv":[{"id":"CVE-2022-2191","description":"In Eclipse Jetty versions 10.0.0 thru 10.0.9, and 11.0.0 thru 11.0.9 versions, SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths.","status":"published","published":"2022-07-07T20:45:16Z","modified":"2026-10-28T02:30:42.921170989Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-404","CWE-664"],"updated_at":"2026-11-02T15:44:24.061177Z"},{"id":"GHSA-8mpp-f3f7-xc28","title":"Jetty SslConnection does not release pooled ByteBuffers in case of errors","description":"### 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","status":"published","published":"2022-07-07T20:55:37Z","modified":"2026-07-08T06:27:39.874056969Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T15:46:42.437513Z"},{"id":"UBUNTU-CVE-2022-2191","description":"In Eclipse Jetty versions 10.0.0 thru 10.0.9, and 11.0.0 thru 11.0.9 versions, SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths.","status":"published","published":"2022-07-07T21:15:00Z","modified":"2025-10-24T04:53:00Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:53:52.391598Z"}]}}