High
motion — security advisory
A Denial of Service condition in Motion-Project Motion 3.2 through 4.3.1 allows remote unauthenticated users to cause a webu.c segmentation fault and kill the main process via a crafted HTTP request.
- Products
- motion
- Affected versions
- 3.2.12+git20140228-7, 3.2.12+git20140228-8, 3.2.12+git20140228-8build1, 4.0-1, 4.2.2-1build1, 4.2.2-1ubuntu1, 4.3.2-1, 4.3.2-1ubuntu0.1, 4.5.1-3build1, 4.5.1-4, 4.6.0-1, 4.6.0-1ubuntu1, 4.6.0-1ubuntu2, 4.7.0-2build1, 4.7.0-3, 4.7.1-1, 4.7.1-1build1, 4.7.1-2
- Fixed versions
- Not specified
- CVEs
- CVE-2020-26566
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:52 UTC · Revision 1
Source evidence
A Denial of Service condition in Motion-Project Motion 3.2 through 4.3.1 allows remote unauthenticated users to cause a webu.c segmentation fault and kill the main process via a crafted HTTP request.
osv:UBUNTU-CVE-2020-26566
motion
Fixed versions: Not specified
motion
Fixed versions: Not specified
motion
Fixed versions: Not specified
motion
Fixed versions: Not specified
motion
Fixed versions: Not specified
motion
Fixed versions: Not specified
motion
Fixed versions: Not specified
motion
Fixed versions: Not specified
Complete source record
{
"id": "7b9f99d539928cdb22934d0ae22c545d6564eb92ad551e2462545ffba42161b3",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-26566",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2020-26566",
"summary": "A Denial of Service condition in Motion-Project Motion 3.2 through 4.3.1 allows remote unauthenticated users to cause a webu.c segmentation fault and kill the main process via a crafted HTTP request.",
"evidence": "osv:UBUNTU-CVE-2020-26566",
"products": [
{
"name": {
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"evidence": "/affected/0/package/name"
},
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{
"value": "3.2.12+git20140228-7",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.12+git20140228-8",
"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/1/package/name"
},
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{
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{
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"evidence": "/affected/2/versions"
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{
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{
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{
"value": "4.3.2-1",
"evidence": "/affected/3/versions"
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{
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"evidence": "/affected/3/versions"
}
]
},
{
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"evidence": "/affected/4/package/name"
},
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"affected_versions": [
{
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"evidence": "/affected/4/versions"
},
{
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"evidence": "/affected/4/versions"
},
{
"value": "4.6.0-1",
"evidence": "/affected/4/versions"
},
{
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"evidence": "/affected/4/versions"
},
{
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"evidence": "/affected/4/versions"
}
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},
{
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"evidence": "/affected/5/package/name"
},
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"affected_versions": [
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"evidence": "/affected/5/versions"
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{
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"evidence": "/affected/5/versions"
}
]
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
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"evidence": "/affected/6/versions"
},
{
"value": "4.7.1-2",
"evidence": "/affected/6/versions"
}
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},
{
"name": {
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"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.7.0-3",
"evidence": "/affected/7/versions"
},
{
"value": "4.7.1-1",
"evidence": "/affected/7/versions"
},
{
"value": "4.7.1-1build1",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2020-26566",
"aliases": [
"UBUNTU-CVE-2020-26566"
],
"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": "motion",
"purl": "pkg:deb/ubuntu/motion?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"3.2.12+git20140228-7",
"3.2.12+git20140228-8",
"3.2.12+git20140228-8build1"
],
"database_specific": {
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},
"ecosystem_specific": {
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}
},
{
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"events": [
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],
"package": {
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"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"4.0-1"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
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"binary_version": "4.0-1"
}
]
}
},
{
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"package": {
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"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"4.2.2-1build1",
"4.2.2-1ubuntu1"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
"binary_name": "motion",
"binary_version": "4.2.2-1ubuntu1"
}
]
}
},
{
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"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
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"4.3.2-1ubuntu0.1"
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"ecosystem_specific": {
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"versions": [
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"4.5.1-4",
"4.6.0-1",
"4.6.0-1ubuntu1",
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},
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"4.7.0-3"
],
"database_specific": {
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},
"ecosystem_specific": {
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}
]
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},
{
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},
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],
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},
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},
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},
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"4.7.1-1",
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],
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}
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}
],
"modified": "2026-10-17T12:56:13.253792040Z",
"provider": "osv",
"upstream": [
"CVE-2020-26566"
],
"references": [
"https://ubuntu.com/security/CVE-2020-26566",
"https://github.com/Motion-Project/motion/security/advisories/GHSA-6f7x-grw7-fw24",
"https://github.com/Motion-Project/motion/issues/1227#issuecomment-715927776",
"https://github.com/Motion-Project/motion/pull/1232",
"https://github.com/Motion-Project/motion/releases",
"https://motion-project.github.io/index.html",
"https://www.cve.org/CVERecord?id=CVE-2020-26566"
]
},
"related_cves": [
{
"value": "CVE-2020-26566",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354968,
"published_at": "2020-10-26T18:15:00+00:00"
}