{"id":"CVE-2017-15377","details":"In Suricata before 4.x, it was possible to trigger lots of redundant checks on the content of crafted network traffic with a certain signature, because of DetectEngineContentInspection in detect-engine-content-inspection.c. The search engine doesn't stop when it should after no match is found; instead, it stops only upon reaching inspection-recursion-limit (3000 by default).","modified":"2026-07-08T10:55:16.371581Z","published":"2017-10-23T08:29:00.430Z","references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2018/12/msg00000.html"},{"type":"ADVISORY","url":"https://redmine.openinfosecfoundation.org/issues/2231"},{"type":"FIX","url":"https://github.com/OISF/suricata/commit/b9579fbe7dd408200ef03cbe20efddb624b73885"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/oisf/suricata","events":[{"introduced":"0"},{"last_affected":"055c054b8e71c660dc7f13a446931ad3ca70ba9d"},{"fixed":"b9579fbe7dd408200ef03cbe20efddb624b73885"}],"database_specific":{"cpe":"cpe:2.3:a:openinfosecfoundation:suricata:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"3.2.4"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["suricata-3.2.4","suricata-3.2.3","suricata-3.2.2","suricata-3.2.1","suricata-3.2","suricata-3.2RC1","suricata-3.2beta1","suricata-3.1.2","suricata-3.1.1","suricata-3.1","suricata-3.0.1","suricata-3.1RC1","suricata-3.0.1RC1","suricata-3.0","suricata-3.0RC3","suricata-3.0RC2","suricata-3.0RC1","suricata-2.1beta4","suricata-2.1beta3","suricata-2.1beta2","suricata-2.1beta1","suricata-2.0.2","suricata-2.0.1","suricata-2.0.1rc1","suricata-2.0","suricata-2.0rc3","suricata-2.0rc2","suricata-2.0rc1","suricata-2.0beta2","suricata-2.0beta1","suricata-1.4","suricata-1.4rc1","suricata-1.4beta3","suricata-1.4beta2","suricata-1.4beta1","suricata-1.3.1","suricata-1.3","suricata-1.3rc1","suricata-1.3beta2","suricata-1.3beta1","suricata-1.2.1","suricata-1.2","suricata-1.2rc1","suricata-1.2beta1","suricata-1.1","suricata-1.1rc1","suricata-1.1beta3","suricata-1.1beta2","suricata-1.1beta1","suricata-1.0.2","suricata-1.0.1","suricata-1.0.0","suricata-0.8.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-15377.json","vanir_signatures_modified":"2026-07-08T10:55:16Z","vanir_signatures":[{"source":"https://github.com/oisf/suricata/commit/b9579fbe7dd408200ef03cbe20efddb624b73885","target":{"file":"src/detect-engine-content-inspection.c","function":"DetectEngineContentInspection"},"deprecated":false,"digest":{"length":10345,"function_hash":"1547637357396393389582967841522904576"},"id":"CVE-2017-15377-3287e5bf","signature_type":"Function","signature_version":"v1"},{"signature_type":"Line","signature_version":"v1","source":"https://github.com/oisf/suricata/commit/b9579fbe7dd408200ef03cbe20efddb624b73885","target":{"file":"src/detect-engine-content-inspection.c"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["17949487339701019940071893937703980462","33673278759311419266585675622145176093","112886409384349545659691823683544841294","310613243680720074865501842410446004891","204980951247739953857345622138604479965","6935063167579620641207446215356795904","211932716375800284193409779227638260273","44228939355122794396981853483122429398","277884505084455662988686551363976053896","101177581376296490308098159392520209879","38095666842331217360143193360053197049","102149989975042568274982326145837071379","119490881342279677228783401633034436722","83794047680196787011097562801008347387","138834304207770202821220112073010668682","328421256042357500470112543431409348921","147852611678446612270735654350918687506","322663509831446824338009493435970888697","171896775996508683648459858208144296220","140657672315901454446263622568359739232"]},"id":"CVE-2017-15377-f1cf4d52"}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}