{"id":"CVE-2017-7659","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-7659","generatedAt":"2026-10-28T20:47:43.144Z","title":"A maliciously constructed HTTP/2 request could cause mod_http2 in Apache HTTP Server 2.4.24, 2.4.25 to dereference a NULL pointer and crash the server process.","description":"A maliciously constructed HTTP/2 request could cause mod_http2 in Apache HTTP Server 2.4.24, 2.4.25 to dereference a NULL pointer and crash the server process.","published":"2017-07-26T21:29:00.000Z","lastModified":"2026-06-17T01:24:55.000Z","status":"Modified","sourceIdentifier":"security@apache.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["apache/http server"],"epss":{"score":0.53939,"percentile":0.98996,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.4915,"percentile":0.98864},{"date":"2026-09-22","score":0.53939,"percentile":0.98952}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 53.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://www.debian.org/security/2017/dsa-3896","source":"security@apache.org"},{"url":"http://www.securityfocus.com/bid/99132","tags":["Third Party Advisory","VDB Entry"],"source":"security@apache.org"},{"url":"http://www.securitytracker.com/id/1038711","tags":["Third Party Advisory","VDB Entry"],"source":"security@apache.org"},{"url":"https://access.redhat.com/errata/RHSA-2017:2483","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/1d0b746bbaa3a64890fcdab59ee9050aaa633b7143e7d412374e5a9a%40%3Cannounce.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r476d175be0aaf4a17680ef98c5153b4d336eaef76fb2224cc94c463a%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rcc44594d4d6579b90deccd4536b5d31f099ef563df39b094be286b9e%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E","source":"security@apache.org"},{"url":"https://security.gentoo.org/glsa/201710-32","source":"security@apache.org"},{"url":"https://security.netapp.com/advisory/ntap-20180601-0002/","source":"security@apache.org"},{"url":"https://support.apple.com/HT208221","source":"security@apache.org"},{"url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03908en_us","source":"security@apache.org"},{"url":"https://www.tenable.com/security/tns-2019-09","source":"security@apache.org"},{"url":"http://www.debian.org/security/2017/dsa-3896","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/99132","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038711","tags":["Third Party Advisory","VDB 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BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}