High
suricata — security advisory
Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in the Suricata process being shut down by the operating system. 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-2026-31935
- 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, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in the Suricata process being shut down by the operating system. This issue has been patched in versions 7.0.15 and 8.0.4.
osv:UBUNTU-CVE-2026-31935
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": "da29c2eff6789748cf1d352b1b66fae59aea34e95bbed25070109f346320931c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-31935",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-31935",
"summary": "Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, flooding of craft HTTP2 continuation frames can lead to memory exhaustion, usually resulting in the Suricata process being shut down by the operating system. This issue has been patched in versions 7.0.15 and 8.0.4.",
"evidence": "osv:UBUNTU-CVE-2026-31935",
"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": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.2-2ubuntu3",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
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"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-2026-31935",
"aliases": [
"UBUNTU-CVE-2026-31935"
],
"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": [
{
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{
"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-2026-31935.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-2026-31935.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-2026-31935.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-2026-31935.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
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}
]
}
},
{
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}
],
"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-2026-31935.json"
},
"ecosystem_specific": {
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{
"binary_name": "suricata",
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},
{
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],
"package": {
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"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-2026-31935.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
"binary_version": "1:8.0.6-1"
}
]
}
},
{
"ranges": [
{
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"events": [
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}
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],
"package": {
"name": "suricata",
"purl": "pkg:deb/ubuntu/suricata?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
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"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-2026-31935.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "suricata",
"binary_version": "1:8.0.3-1"
}
]
}
}
],
"modified": "2026-10-17T12:58:49.941772756Z",
"provider": "osv",
"upstream": [
"CVE-2026-31935"
],
"references": [
"https://ubuntu.com/security/CVE-2026-31935",
"https://www.cve.org/CVERecord?id=CVE-2026-31935"
]
},
"related_cves": [
{
"value": "CVE-2026-31935",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 359099,
"published_at": "2026-04-02T15:16:00+00:00"
}