{"id":"CVE-2017-7671","aliases":["DEBIAN-CVE-2017-7671","DSA-4128-1","EUVD-2017-16663","GHSA-cp9g-xqrx-g4w7","UBUNTU-CVE-2017-7671"],"status":"published","title":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0...","description":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02188,"percentile":0.82546,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2018-02-27T20:00:00Z","modified":"2026-10-24T10:30:28Z","fixes":[{"ecosystem":"Debian:12","package":"trafficserver","fixed_in":["7.1.2+ds-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"trafficserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.2+ds-1"}]}]},{"source":"osv","ecosystem":"Debian:9","package":"trafficserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0-6+deb9u1"}]}],"versions":["7.0.0-5"],"bundled":2},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"trafficserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.3.0-2ubuntu1","5.3.0-2ubuntu2"]}],"products":[{"vendor":"apache","product":"traffic_server"},{"vendor":"apache software foundation","product":"apache traffic server"},{"vendor":"debian","product":"debian_linux"}],"references":[{"url":"https://www.debian.org/security/2018/dsa-4128","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory"]},{"url":"https://lists.apache.org/thread.html/203bdcf9bbb718f3dc6f7aaf3e2af632474d51fa9e7bfb7832729905%40%3Cdev.trafficserver.apache.org%3E","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-7671"},{"url":"https://lists.apache.org/thread.html/203bdcf9bbb718f3dc6f7aaf3e2af632474d51fa9e7bfb7832729905@%3Cdev.trafficserver.apache.org%3E","tags":["report"]},{"url":"https://github.com/advisories/GHSA-cp9g-xqrx-g4w7"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-7671","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-7671","tags":["report"]},{"url":"https://github.com/apache/trafficserver/pull/1941","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-7671","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-7671","description":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.","status":"published","published":"2018-02-27T20:00:00Z","modified":"2024-09-16T22:09:57.141Z","updated_at":"2026-11-02T14:33:20.843976Z"}],"euvd":[{"id":"EUVD-2017-16663","description":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.","status":"published","published":"2018-02-27T20:00:00Z","modified":"2024-09-16T22:09:57Z","updated_at":"2026-11-03T00:55:05.279117Z"}],"ghsa":[{"id":"GHSA-cp9g-xqrx-g4w7","title":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0...","description":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.","status":"published","published":"2022-05-14T03:35:55Z","modified":"2023-02-02T05:07:52Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:52:36.533289Z"}],"nvd":[{"id":"CVE-2017-7671","description":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.","status":"published","published":"2018-02-27T20:29:00.45Z","modified":"2026-06-17T01:24:56.72Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/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-20"],"updated_at":"2026-11-02T14:04:15.877386Z"}],"osv":[{"id":"CVE-2017-7671","description":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.","status":"published","published":"2018-02-27T20:29:00.45Z","modified":"2026-10-24T10:30:28.623920761Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:06.412595Z"},{"id":"DEBIAN-CVE-2017-7671","description":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.","status":"published","published":"2018-02-27T20:29:00.45Z","modified":"2026-09-01T20:03:50.224217807Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:29.698576Z"},{"id":"UBUNTU-CVE-2017-7671","description":"There is a DOS attack vulnerability in Apache Traffic Server (ATS) 5.2.0 to 5.3.2, 6.0.0 to 6.2.0, and 7.0.0 with the TLS handshake. This issue can cause the server to coredump.","status":"published","published":"2018-02-27T20:29:00Z","modified":"2026-04-22T11:32:52.733651Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:15.773974Z"},{"id":"DSA-4128-1","title":"trafficserver - security update","status":"published","published":"2018-03-02T00:00:00Z","modified":"2026-03-09T01:17:53.663672Z","updated_at":"2026-11-02T15:46:16.862196Z"}]}}