alsa-2026:4455
Vulnerability from osv_almalinux
Published
2026-03-12 00:00
Modified
2026-03-13 09:11
Summary
Important: .NET 8.0 security update
Details
.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.
New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.125 and .NET Runtime 8.0.25.Security Fix(es):
- asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-26130)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
{
"affected": [
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "aspnetcore-runtime-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.25-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "aspnetcore-runtime-dbg-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.25-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "aspnetcore-targeting-pack-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.25-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-apphost-pack-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.25-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-hostfxr-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.25-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-runtime-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.25-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-runtime-dbg-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.25-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-sdk-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.125-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-sdk-8.0-source-built-artifacts"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.125-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-sdk-dbg-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.125-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-targeting-pack-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.25-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "AlmaLinux:8",
"name": "dotnet-templates-8.0"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.125-1.el8_10"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"details": ".NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. \n\nNew versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.125 and .NET Runtime 8.0.25.Security Fix(es): \n\n * asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-26130)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
"id": "ALSA-2026:4455",
"modified": "2026-03-13T09:11:49Z",
"published": "2026-03-12T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:4455"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-26130"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2446134"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/8/ALSA-2026-4455.html"
}
],
"related": [
"CVE-2026-26130"
],
"summary": "Important: .NET 8.0 security update"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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