UnratedFix available
Microsoft.AspNetCore.Mvc.Core, System.Text.Encodings.Web and 5 more products — security advisory
This notice tracks CVE-2017-0249 for Microsoft.AspNetCore.Mvc.Core, System.Text.Encodings.Web and 5 more products. Fixed versions are listed in the package details.
- Products
- Microsoft.AspNetCore.Mvc.Core, System.Text.Encodings.Web, microsoft.aspnetcore.mvc.abstractions, microsoft.aspnetcore.mvc.apiexplorer, microsoft.aspnetcore.mvc.core, microsoft.aspnetcore.mvc.formatters.json, system.text.encodings.web
- Affected versions
- Not specified
- Fixed versions
- 1.0.0+echo.1, 1.0.4
- CVEs
- CVE-2017-0249
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 16:42 UTC · Revision 1
Source evidence
ECHO-29ff-42b2-521d
osv:ECHO-29ff-42b2-521d
microsoft.aspnetcore.mvc.abstractions
Fixed versions: 1.0.4
microsoft.aspnetcore.mvc.apiexplorer
Fixed versions: 1.0.4
microsoft.aspnetcore.mvc.core
Fixed versions: 1.0.4
Microsoft.AspNetCore.Mvc.Core
Fixed versions: 1.0.0+echo.1
microsoft.aspnetcore.mvc.formatters.json
Fixed versions: 1.0.4
system.text.encodings.web
Fixed versions: 1.0.4
System.Text.Encodings.Web
Fixed versions: 1.0.4
Complete source record
{
"id": "8c6bf6d4365b1eabbe016ef71db2f2e64aa66c75f54ae59c621d766b8067ebf1",
"url": "https://osv.dev/vulnerability/ECHO-29ff-42b2-521d",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ECHO-29ff-42b2-521d",
"summary": "ECHO-29ff-42b2-521d",
"evidence": "osv:ECHO-29ff-42b2-521d",
"products": [
{
"name": {
"value": "microsoft.aspnetcore.mvc.abstractions",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.4",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "microsoft.aspnetcore.mvc.apiexplorer",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "microsoft.aspnetcore.mvc.core",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.4",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "Microsoft.AspNetCore.Mvc.Core",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.0+echo.1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "microsoft.aspnetcore.mvc.formatters.json",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.4",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "system.text.encodings.web",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.4",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "System.Text.Encodings.Web",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.0.4",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "ECHO-29ff-42b2-521d",
"aliases": [
"ECHO-29ff-42b2-521d"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.4"
}
]
}
],
"package": {
"name": "microsoft.aspnetcore.mvc.abstractions",
"purl": "pkg:nuget/microsoft.aspnetcore.mvc.abstractions",
"ecosystem": "Echo:NuGet"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-29ff-42b2-521d.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.4"
}
]
}
],
"package": {
"name": "microsoft.aspnetcore.mvc.apiexplorer",
"purl": "pkg:nuget/microsoft.aspnetcore.mvc.apiexplorer",
"ecosystem": "Echo:NuGet"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-29ff-42b2-521d.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.4"
}
]
}
],
"package": {
"name": "microsoft.aspnetcore.mvc.core",
"purl": "pkg:nuget/microsoft.aspnetcore.mvc.core",
"ecosystem": "Echo:NuGet"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-29ff-42b2-521d.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.0+echo.1"
}
]
}
],
"package": {
"name": "Microsoft.AspNetCore.Mvc.Core",
"purl": "pkg:nuget/Microsoft.AspNetCore.Mvc.Core",
"ecosystem": "Echo:NuGet"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-29ff-42b2-521d.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.4"
}
]
}
],
"package": {
"name": "microsoft.aspnetcore.mvc.formatters.json",
"purl": "pkg:nuget/microsoft.aspnetcore.mvc.formatters.json",
"ecosystem": "Echo:NuGet"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-29ff-42b2-521d.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.4"
}
]
}
],
"package": {
"name": "system.text.encodings.web",
"purl": "pkg:nuget/system.text.encodings.web",
"ecosystem": "Echo:NuGet"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-29ff-42b2-521d.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.0.4"
}
]
}
],
"package": {
"name": "System.Text.Encodings.Web",
"purl": "pkg:nuget/System.Text.Encodings.Web",
"ecosystem": "Echo:NuGet"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-29ff-42b2-521d.json"
}
}
],
"modified": "2026-10-22T00:45:07.418478082Z",
"provider": "osv",
"upstream": [
"CVE-2017-0249",
"GHSA-qhqf-ghgh-x2m4"
],
"references": [
"https://advisory.echohq.com/cve/CVE-2017-0249",
"https://github.com/advisories/GHSA-qhqf-ghgh-x2m4"
]
},
"related_cves": [
{
"value": "CVE-2017-0249",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 401220,
"published_at": "2026-09-17T08:05:27.486+00:00"
}