High
suricata — security advisory
Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. This issue has been patched in versions 7.0.15 and 8.0.4.
- Products
- suricata
- Affected versions
- 1:6.0.4-2, 1:6.0.4-3, 1:7.0.0-2, 1:7.0.10-1, 1:7.0.2-1, 1:7.0.2-1build1, 1:7.0.3-1build1, 1:7.0.3-1build3, 1:7.0.8-2, 1:8.0.1-3build1, 1:8.0.2-1, 1:8.0.2-1build1, 1:8.0.3-1, 1:8.0.5-1, 1:8.0.6-1, 2.0.10-1, 2.0.10-2, 2.0.11-1, 2.0.8-1build1, 2.0.9-1, 3.0-1, 3.2-2ubuntu3
- Fixed versions
- Not specified
- CVEs
- CVE-2026-31933
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:43 UTC · Revision 1
Source evidence
Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. This issue has been patched in versions 7.0.15 and 8.0.4.
osv:UBUNTU-CVE-2026-31933
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
suricata
Fixed versions: Not specified
Complete source record
{
"id": "3487140730d8ffee4a18c8432a23f015795aa805853de644cdbbe784a8108f59",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-31933",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-31933",
"summary": "Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, specially crafted traffic can cause Suricata to slow down, affecting performance in IDS mode. This issue has been patched in versions 7.0.15 and 8.0.4.",
"evidence": "osv:UBUNTU-CVE-2026-31933",
"products": [
{
"name": {
"value": "suricata",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.0.8-1build1",
"evidence": "/affected/0/versions"
},
{
"value": "2.0.9-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.0.10-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.0.10-2",
"evidence": "/affected/0/versions"
},
{
"value": "2.0.11-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.0-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "suricata",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.2-2ubuntu3",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "suricata",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:6.0.4-2",
"evidence": "/affected/2/versions"
},
{
"value": "1:6.0.4-3",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "suricata",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:7.0.0-2",
"evidence": "/affected/3/versions"
},
{
"value": "1:7.0.2-1",
"evidence": "/affected/3/versions"
},
{
"value": "1:7.0.2-1build1",
"evidence": "/affected/3/versions"
},
{
"value": "1:7.0.3-1build1",
"evidence": "/affected/3/versions"
},
{
"value": "1:7.0.3-1build3",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "suricata",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:7.0.8-2",
"evidence": "/affected/4/versions"
},
{
"value": "1:7.0.10-1",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "suricata",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:8.0.3-1",
"evidence": "/affected/5/versions"
},
{
"value": "1:8.0.5-1",
"evidence": "/affected/5/versions"
},
{
"value": "1:8.0.6-1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "suricata",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1:7.0.10-1",
"evidence": "/affected/6/versions"
},
{
"value": "1:8.0.1-3build1",
"evidence": "/affected/6/versions"
},
{
"value": "1:8.0.2-1",
"evidence": "/affected/6/versions"
},
{
"value": "1:8.0.2-1build1",
"evidence": "/affected/6/versions"
},
{
"value": "1:8.0.3-1",
"evidence": "/affected/6/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2026-31933",
"aliases": [
"UBUNTU-CVE-2026-31933"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/ubuntu/suricata?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"2.0.8-1build1",
"2.0.9-1",
"2.0.10-1",
"2.0.10-2",
"2.0.11-1",
"3.0-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31933.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
"binary_version": "3.0-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/ubuntu/suricata?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"3.2-2ubuntu3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31933.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libhtp-0.5.23-1",
"binary_version": "3.2-2ubuntu3"
},
{
"binary_name": "suricata",
"binary_version": "3.2-2ubuntu3"
},
{
"binary_name": "suricata-hyperscan",
"binary_version": "3.2-2ubuntu3"
},
{
"binary_name": "suricata-oinkmaster",
"binary_version": "3.2-2ubuntu3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/ubuntu/suricata?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1:6.0.4-2",
"1:6.0.4-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31933.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
"binary_version": "1:6.0.4-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/ubuntu/suricata?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1:7.0.0-2",
"1:7.0.2-1",
"1:7.0.2-1build1",
"1:7.0.3-1build1",
"1:7.0.3-1build3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31933.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
"binary_version": "1:7.0.3-1build3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/ubuntu/suricata?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1:7.0.8-2",
"1:7.0.10-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31933.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
"binary_version": "1:7.0.10-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
"introduced": "0"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/ubuntu/suricata?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1:8.0.3-1",
"1:8.0.5-1",
"1:8.0.6-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31933.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
"binary_version": "1:8.0.6-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/ubuntu/suricata?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1:7.0.10-1",
"1:8.0.1-3build1",
"1:8.0.2-1",
"1:8.0.2-1build1",
"1:8.0.3-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-31933.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
"binary_version": "1:8.0.3-1"
}
]
}
}
],
"modified": "2026-10-17T12:58:50.163448712Z",
"provider": "osv",
"upstream": [
"CVE-2026-31933"
],
"references": [
"https://ubuntu.com/security/CVE-2026-31933",
"https://www.cve.org/CVERecord?id=CVE-2026-31933"
]
},
"related_cves": [
{
"value": "CVE-2026-31933",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 359101,
"published_at": "2026-04-02T14:16:00+00:00"
}