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mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.","status":"published","published":"2016-12-05T19:00:00Z","modified":"2024-08-06T02:34:59.624Z","updated_at":"2026-11-02T14:33:33.07583Z"}],"euvd":[{"id":"EUVD-2016-9575","description":"The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.","status":"published","published":"2016-12-05T19:00:00Z","modified":"2024-08-06T02:34:59Z","updated_at":"2026-11-03T02:22:29.639634Z"}],"ghsa":[{"id":"GHSA-pfj2-72r3-p693","title":"The mod_http2 module in the Apache HTTP 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request.","status":"published","published":"2016-12-05T19:59:00.25Z","modified":"2026-06-17T00:54:55.28Z","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","CWE-399"],"updated_at":"2026-11-02T14:03:32.79141Z"}],"osv":[{"id":"BELL-CVE-2016-8740","title":"CVE-2016-8740 does not affect BellSoft software","status":"withdrawn","published":"2016-12-05T19:59:00Z","modified":"2026-01-26T09:46:55.807623Z","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":"2026-11-02T15:28:14.137943Z"},{"id":"CVE-2016-8740","description":"The mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a 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6","status":"published","published":"2024-09-13T14:40:20Z","modified":"2026-09-21T10:01:41Z","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":"2026-11-02T15:53:04.262457Z"},{"id":"openSUSE-SU-2024:10623-1","title":"apache2-2.4.49-1.1 on GA media","description":"These are all security issues fixed in the apache2-2.4.49-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:38:12.808287Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2017:0203-1","title":"Security update for apache2","description":"\nThis update for apache2 fixes the following issues:\n\n- CVE-2016-8740 Server memory can be exhausted and service denied when HTTP/2 is used [bsc#1013648]\n","status":"published","published":"2017-01-19T09:35:36Z","modified":"2026-02-04T04:26:41.101462Z","updated_at":"2026-11-02T15:53:43.83457Z"}]}}