{"id":"CVE-2014-3488","aliases":["DLA-2110-1","EUVD-2020-0475","GHSA-9959-6p3m-wxpc"],"status":"published","title":"Denial of service in Netty","description":"The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.04222,"percentile":0.91063,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2014-07-31T14:00:00Z","modified":"2026-06-17T00:08:17Z","fixes":[{"ecosystem":"Maven","package":"io.netty:netty-handler","fixed_in":["3.9.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"io.netty:netty-handler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.2"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"netty-3.9","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.0.Final-1+deb8u1"}]}],"versions":["3.9.0.Final-1"],"bundled":6},{"source":"osv","ecosystem":"Maven","package":"io.netty:netty-handler","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.2"}]}]}],"products":[{"vendor":"netty","product":"netty"}],"references":[{"url":"http://netty.io/news/2014/06/11/3-9-2-Final.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"https://github.com/netty/netty/issues/2562","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","web"]},{"url":"http://secunia.com/advisories/59196","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","web"]},{"url":"https://github.com/netty/netty/commit/2fa9400a59d0563a66908aba55c41e7285a04994","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2020/02/msg00018.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-3488","tags":["advisory"]},{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGJBOSSNETTY-31630","tags":["web"]},{"url":"https://github.com/advisories/GHSA-9959-6p3m-wxpc"},{"url":"https://github.com/netty/netty","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2014-3488","description":"The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.","status":"published","published":"2014-07-31T14:00:00Z","modified":"2024-08-06T10:43:06.356Z","updated_at":"2026-11-02T14:33:44.23164Z"}],"euvd":[{"id":"EUVD-2020-0475","description":"The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.","status":"published","published":"2014-07-31T14:00:00Z","modified":"2024-08-06T10:43:06Z","updated_at":"2026-11-03T01:57:10.446744Z"}],"ghsa":[{"id":"GHSA-9959-6p3m-wxpc","title":"Denial of service in Netty","description":"The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.","status":"published","published":"2020-06-30T21:01:31Z","modified":"2023-01-09T05:03:18Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:36:05.071174Z"}],"nvd":[{"id":"CVE-2014-3488","description":"The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.","status":"published","published":"2014-07-31T14:55:02.91Z","modified":"2026-06-17T00:08:17.573Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:02:55.19899Z"}],"osv":[{"id":"DLA-2110-1","title":"netty-3.9 - security update","status":"published","published":"2020-02-19T00:00:00Z","modified":"2026-03-09T01:18:24.718614Z","updated_at":"2026-11-02T15:46:10.227108Z"},{"id":"GHSA-9959-6p3m-wxpc","title":"Denial of service in Netty","description":"The SslHandler in Netty before 3.9.2 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a crafted SSLv2Hello message.","status":"published","published":"2020-06-30T21:01:31Z","modified":"2023-11-08T03:57:37.697735Z","cwes":["CWE-119"],"updated_at":"2026-11-02T15:46:43.524801Z"}]}}