HighFix available
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
- 1:7.0.10-1, 1:7.0.10-1+deb13u1, 1:7.0.10-1+deb13u2, 1:7.0.10-1+deb13u3, 1:7.0.11-1, 1:7.0.11-1~bpo13+1, 1:8.0.0-1~exp1, 1:8.0.0-1~exp2, 1:8.0.0-1~exp4, 1:8.0.0-1~exp5, 1:8.0.1-1, 1:8.0.1-2, 1:8.0.1-3, 1:8.0.1-3~bpo13+1, 1:8.0.2-1, 1:8.0.2-1~bpo13+1, 1:8.0.3-1, 1:8.0.3-1~bpo13+1, 1:8.0.3-2~exp1, 1:8.0.4-1~bpo13+1
- Fixed versions
- 1:7.0.10-1+deb13u4, 1:8.0.4-1
- CVEs
- CVE-2026-31933
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:38 UTC · Revision 2
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:DEBIAN-CVE-2026-31933
suricata
Fixed versions: 1:7.0.10-1+deb13u4
suricata
Fixed versions: 1:8.0.4-1
Complete source record
{
"id": "fc70e8a9ed2abcdcabced158afdb76c8474125f8505da35295cfd371dfbe9a90",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-31933",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-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:DEBIAN-CVE-2026-31933",
"products": [
{
"name": {
"value": "suricata",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:7.0.10-1+deb13u4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "1:7.0.10-1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.10-1+deb13u1",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.10-1+deb13u2",
"evidence": "/affected/0/versions"
},
{
"value": "1:7.0.10-1+deb13u3",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "suricata",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:8.0.4-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "1:7.0.10-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.11-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:7.0.11-1~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.0-1~exp1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.0-1~exp2",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.0-1~exp4",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.0-1~exp5",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.1-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.1-2",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.1-3",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.1-3~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.2-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.2-1~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.3-1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.3-1~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.3-2~exp1",
"evidence": "/affected/1/versions"
},
{
"value": "1:8.0.4-1~bpo13+1",
"evidence": "/affected/1/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2026-31933",
"aliases": [
"DEBIAN-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"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:7.0.10-1+deb13u4"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/debian/suricata?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1:7.0.10-1",
"1:7.0.10-1+deb13u1",
"1:7.0.10-1+deb13u2",
"1:7.0.10-1+deb13u3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-31933.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:8.0.4-1"
}
]
}
],
"package": {
"name": "suricata",
"purl": "pkg:deb/debian/suricata?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1:7.0.10-1",
"1:7.0.11-1",
"1:7.0.11-1~bpo13+1",
"1:8.0.0-1~exp1",
"1:8.0.0-1~exp2",
"1:8.0.0-1~exp4",
"1:8.0.0-1~exp5",
"1:8.0.1-1",
"1:8.0.1-2",
"1:8.0.1-3",
"1:8.0.1-3~bpo13+1",
"1:8.0.2-1",
"1:8.0.2-1~bpo13+1",
"1:8.0.3-1",
"1:8.0.3-1~bpo13+1",
"1:8.0.3-2~exp1",
"1:8.0.4-1~bpo13+1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-31933.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-27T09:47:30.613381571Z",
"provider": "osv",
"upstream": [
"CVE-2026-31933"
],
"references": [
"https://security-tracker.debian.org/tracker/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": 460933,
"published_at": "2026-04-02T14:16:28.93+00:00"
}