Medium
undertow — security advisory
Red Hat JBoss Enterprise Application Platform (EAP) 7, when operating as a reverse-proxy with default buffer sizes, allows remote attackers to cause a denial of service (CPU and disk consumption) via a long URL.
- Products
- undertow
- Affected versions
- 1.3.11-1, 1.3.16-1, 1.3.16-1ubuntu0.1~esm1, 1.3.4-1, 1.3.5-1, 1.3.7-1, 2.3.18-1, 2.3.18-2, 2.3.20-1, 2.3.20-1ubuntu1, 2.3.8-2, 2.3.8-2ubuntu0.1~esm1
- Fixed versions
- Not specified
- CVEs
- CVE-2016-7046
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:20 UTC · Revision 1
Source evidence
Red Hat JBoss Enterprise Application Platform (EAP) 7, when operating as a reverse-proxy with default buffer sizes, allows remote attackers to cause a denial of service (CPU and disk consumption) via a long URL.
osv:UBUNTU-CVE-2016-7046
undertow
Fixed versions: Not specified
undertow
Fixed versions: Not specified
undertow
Fixed versions: Not specified
undertow
Fixed versions: Not specified
undertow
Fixed versions: Not specified
Complete source record
{
"id": "54ee1b32775e15c490ec96642a055fe6943526696ced7a2f2c2ab3c7ef6ab479",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2016-7046",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2016-7046",
"summary": "Red Hat JBoss Enterprise Application Platform (EAP) 7, when operating as a reverse-proxy with default buffer sizes, allows remote attackers to cause a denial of service (CPU and disk consumption) via a long URL.",
"evidence": "osv:UBUNTU-CVE-2016-7046",
"products": [
{
"name": {
"value": "undertow",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.3.4-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.5-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.7-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.11-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.16-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.3.16-1ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.3.8-2",
"evidence": "/affected/1/versions"
},
{
"value": "2.3.8-2ubuntu0.1~esm1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "2.3.18-1",
"evidence": "/affected/2/versions"
},
{
"value": "2.3.18-2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
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"evidence": "/affected/3/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "2.3.20-1ubuntu1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
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"evidence": "/affected/4/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "2.3.18-2",
"evidence": "/affected/4/versions"
},
{
"value": "2.3.20-1",
"evidence": "/affected/4/versions"
},
{
"value": "2.3.20-1ubuntu1",
"evidence": "/affected/4/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2016-7046",
"aliases": [
"UBUNTU-CVE-2016-7046"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "undertow",
"purl": "pkg:deb/ubuntu/undertow?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
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"1.3.5-1",
"1.3.7-1",
"1.3.11-1",
"1.3.16-1",
"1.3.16-1ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7046.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libundertow-java",
"binary_version": "1.3.16-1ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "undertow",
"purl": "pkg:deb/ubuntu/undertow?arch=source&distro=esm-apps%2Fnoble",
"ecosystem": "Ubuntu:Pro:24.04:LTS"
},
"versions": [
"2.3.8-2",
"2.3.8-2ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7046.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libundertow-java",
"binary_version": "2.3.8-2ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "undertow",
"purl": "pkg:deb/ubuntu/undertow?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2.3.18-1",
"2.3.18-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7046.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libundertow-java",
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}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "undertow",
"purl": "pkg:deb/ubuntu/undertow?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"2.3.20-1ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7046.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libundertow-java",
"binary_version": "2.3.20-1ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "undertow",
"purl": "pkg:deb/ubuntu/undertow?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"2.3.18-2",
"2.3.20-1",
"2.3.20-1ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-7046.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libundertow-java",
"binary_version": "2.3.20-1ubuntu1"
}
]
}
}
],
"modified": "2026-10-17T12:52:43.012926959Z",
"provider": "osv",
"upstream": [
"CVE-2016-7046"
],
"references": [
"https://ubuntu.com/security/CVE-2016-7046",
"https://www.cve.org/CVERecord?id=CVE-2016-7046"
]
},
"related_cves": [
{
"value": "CVE-2016-7046",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 353277,
"published_at": "2016-10-03T21:59:00+00:00"
}