ASP.NET Core Denial of Service Vulnerability
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
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| Microsoft | .NET 8.0 installed on Linux | affected |
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| Microsoft | .NET 8.0 installed on Mac OS | affected |
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| Microsoft | .NET 8.0 installed on Windows | affected |
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| Microsoft | .NET 9.0 installed on Linux | affected |
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| Microsoft | .NET 9.0 installed on Mac OS | affected |
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| Microsoft | .NET 9.0 installed on Windows | affected |
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| Microsoft | Microsoft Visual Studio 2022 version 17.14 | affected |
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| Microsoft | Microsoft Visual Studio 2026 version 18.11 | affected |
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| Microsoft | Microsoft Visual Studio 2026 version 18.12 | affected |
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No data.
No data.
No data available yet.
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-r3qf-p3jm-8h4p | Microsoft Security Advisory CVE-2026-109478 - ASP.NET Core Denial of Service Vulnerability |
Ubuntu USN |
USN-9042-1 | .NET vulnerabilities |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 1.2% (1.245% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Microsoft .net 9.0 Installed On Linux
Microsoft .net 9.0 Installed On Mac Os Microsoft .net 9.0 Installed On Windows |
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| CPEs | cpe:2.3:a:microsoft:.net_9.0_installed_on_linux:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:.net_9.0_installed_on_mac_os:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:.net_9.0_installed_on_windows:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Microsoft .net 9.0 Installed On Linux
Microsoft .net 9.0 Installed On Mac Os Microsoft .net 9.0 Installed On Windows |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network. | |
| Title | ASP.NET Core Denial of Service Vulnerability | |
| First Time appeared |
Microsoft
Microsoft .net 8.0 Installed On Linux Microsoft .net 8.0 Installed On Mac Os Microsoft .net 8.0 Installed On Windows Microsoft microsoft Visual Studio 2026 Version 18.11 Microsoft microsoft Visual Studio 2026 Version 18.12 Microsoft visual Studio 2022 |
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| Weaknesses | CWE-407 | |
| CPEs | cpe:2.3:a:microsoft:.net_8.0_installed_on_linux:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:.net_8.0_installed_on_mac_os:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:.net_8.0_installed_on_windows:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.11:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.12:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Microsoft
Microsoft .net 8.0 Installed On Linux Microsoft .net 8.0 Installed On Mac Os Microsoft .net 8.0 Installed On Windows Microsoft microsoft Visual Studio 2026 Version 18.11 Microsoft microsoft Visual Studio 2026 Version 18.12 Microsoft visual Studio 2022 |
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| References |
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| Metrics |
cvssV3_1
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