High
Security advisory
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).
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-15377
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:12 UTC · Revision 1
Source evidence
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).
osv:CVE-2017-15377
Complete source record
{
"id": "4317d9212b1cf44aa29c39a427267ae37d83305053c7d0b7a842ee97c617357e",
"url": "https://osv.dev/vulnerability/CVE-2017-15377",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-15377",
"summary": "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).",
"evidence": "osv:CVE-2017-15377",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-15377",
"aliases": [
"CVE-2017-15377"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/oisf/suricata",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "055c054b8e71c660dc7f13a446931ad3ca70ba9d"
},
{
"fixed": "b9579fbe7dd408200ef03cbe20efddb624b73885"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:openinfosecfoundation:suricata:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.2.4"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "b9579fbe7dd408200ef03cbe20efddb624b73885"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"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": [
{
"id": "CVE-2017-15377-3287e5bf",
"digest": {
"length": 10345,
"function_hash": "1547637357396393389582967841522904576"
},
"source": "https://github.com/oisf/suricata/commit/b9579fbe7dd408200ef03cbe20efddb624b73885",
"target": {
"file": "src/detect-engine-content-inspection.c",
"function": "DetectEngineContentInspection"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-15377-f1cf4d52",
"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"
]
},
"source": "https://github.com/oisf/suricata/commit/b9579fbe7dd408200ef03cbe20efddb624b73885",
"target": {
"file": "src/detect-engine-content-inspection.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T13:20:29Z"
}
}
],
"modified": "2026-10-20T13:20:29.353905290Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2018/12/msg00000.html",
"https://redmine.openinfosecfoundation.org/issues/2231",
"https://github.com/OISF/suricata/commit/b9579fbe7dd408200ef03cbe20efddb624b73885"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-15377",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 387533,
"published_at": "2017-10-23T08:29:00.43+00:00"
}