High
Security advisory
Suricata before 5.0.7 and 6.x before 6.0.3 has a "critical evasion."
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-35063
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:18 UTC · Revision 1
Source evidence
Suricata before 5.0.7 and 6.x before 6.0.3 has a "critical evasion."
osv:CVE-2021-35063
Complete source record
{
"id": "6ff55f13db63f31e2580ce9779a5eea9bb87e92fe496e81e115140b30f9969c0",
"url": "https://osv.dev/vulnerability/CVE-2021-35063",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-35063",
"summary": "Suricata before 5.0.7 and 6.x before 6.0.3 has a \"critical evasion.\"",
"evidence": "osv:CVE-2021-35063",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-35063",
"aliases": [
"CVE-2021-35063"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/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"
},
{
"fixed": "eec7056f54a230b46e643ba96e5bb990e69ab178"
},
{
"introduced": "5219691f45ab6c6fb3c3970550dd670c73dbcfa6"
},
{
"fixed": "d630db85f3d373531c49d7713b5b72297b0964b2"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "5.0.7"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.0.3"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"suricata-5.0.6",
"suricata-6.0.2",
"suricata-6.0.1",
"suricata-5.0.5",
"suricata-5.0.4",
"suricata-6.0.0",
"suricata-5.0.3",
"suricata-5.0.2",
"suricata-5.0.1",
"suricata-5.0.0",
"suricata-5.0.0-rc1",
"suricata-5.0.0-beta1",
"suricata-4.1.2",
"suricata-4.1.1",
"suricata-4.1.0",
"suricata-4.1.0-rc2",
"suricata-4.1.0-rc1",
"suricata-4.1.0-beta1",
"suricata-4.0.1",
"suricata-4.0.0",
"suricata-4.0.0-rc2",
"suricata-4.0.0-rc1",
"suricata-4.0.0-beta1",
"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-2021-35063.json"
}
}
],
"modified": "2026-10-20T10:53:49.077325358Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JU27J2ZYG6FBDL5CERE6FBB4ZFGHOROE/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XEP7PWY4LRT2R4MFLV7JIJRYZEZ7RQFL/",
"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990835",
"https://forum.suricata.io/t/suricata-6-0-3-and-5-0-7-released/1489",
"https://github.com/OISF/suricata/releases",
"https://security-tracker.debian.org/tracker/CVE-2021-35063",
"https://bugzilla.redhat.com/show_bug.cgi?id=1980453"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "34"
},
{
"last_affected": "34"
},
{
"introduced": "35"
},
{
"last_affected": "35"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-35063",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384666,
"published_at": "2021-07-22T18:15:23.21+00:00"
}