Moderate severity vulnerability that affects Microsoft.AspNetCore.All…
Priority LOW 38Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub.
Summary
Microsoft made an internal discovery of a security vulnerability in version 2.x of ASP.NET Core where a specially crafted request can cause excess resource consumption in Kestrel.
Why it matters now
Fix Fixed Microsoft.AspNetCore.Server.Kestrel.Core (NuGet): 2.0.3Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions (NuGet): 2.0.3+2 more products
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) | 2.0.0 to before 2.0.3 | 2.0.3 | Patch available | GHSA-3m2r-q8x3-xmf7 |
| — | Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions (NuGet) | 2.0.0 to before 2.0.3 | 2.0.3 | Patch available | GHSA-3m2r-q8x3-xmf7 |
| — | Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv (NuGet) | 2.0.0 to before 2.0.3 | 2.0.3 | Patch available | GHSA-3m2r-q8x3-xmf7 |
| — | Microsoft.AspNetCore.All (NuGet) | 2.0.0 to before 2.0.8 | 2.0.8 | Patch available | GHSA-3m2r-q8x3-xmf7 |
- Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) Vendor— Affected 2.0.0 to before 2.0.3 Fixed in 2.0.3 Patch available GHSA-3m2r-q8x3-xmf7
- Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions (NuGet) Vendor— Affected 2.0.0 to before 2.0.3 Fixed in 2.0.3 Patch available GHSA-3m2r-q8x3-xmf7
- Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv (NuGet) Vendor— Affected 2.0.0 to before 2.0.3 Fixed in 2.0.3 Patch available GHSA-3m2r-q8x3-xmf7
- Microsoft.AspNetCore.All (NuGet) Vendor— Affected 2.0.0 to before 2.0.8 Fixed in 2.0.8 Patch available GHSA-3m2r-q8x3-xmf7
Remediation
- Fix · GHSA-3m2r-q8x3-xmf7 Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) Fixed in 2.0.3 Advisory →
- Fix · GHSA-3m2r-q8x3-xmf7 Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions (NuGet) Fixed in 2.0.3 Advisory →
- Fix · GHSA-3m2r-q8x3-xmf7 Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv (NuGet) Fixed in 2.0.3 Advisory →
- Fix · GHSA-3m2r-q8x3-xmf7 Microsoft.AspNetCore.All (NuGet) Fixed in 2.0.8 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-3m2r-q8x3-xmf7
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences