Every CVESearch/Get API key

GHSA-3m2r-q8x3-xmf7

Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.Server.Kestrel.Core, Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, and Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv

No scoreFix available

GHSA-3m2r-q8x3-xmf7 is a vulnerability with no CVSS score yet in Microsoft.AspNetCore.Server.Kestrel.Core, published October 16, 2018. No source lists public exploit code. Fixed in Microsoft.AspNetCore.Server.Kestrel.Core 2.0.3.

What does this mean?
Severity
UnratedNo CVSS score yet
Exploit chance
UnscoredNo EPSS score yet
Exploitation
None knownNot on CISA’s or ENISA’s lists

Description

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.

Affected packages

Affected packages
PackageAffectedFixed
Microsoft.AspNetCore.Server.Kestrel.Core
NuGet
2.0.0 up to 2.0.3
2.0.3
Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions
NuGet
2.0.0 up to 2.0.3
2.0.3
Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv
NuGet
2.0.0 up to 2.0.3
2.0.3
Microsoft.AspNetCore.All
NuGet
2.0.0 up to 2.0.8
2.0.8
Microsoft.AspNetCore.Server.Kestrel.Core
NuGet
2.0.0 up to 2.0.3, plus listed versions
2.0.12.0.2
2.0.3
Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions
NuGet
2.0.0 up to 2.0.3, plus listed versions
2.0.12.0.2
2.0.3
Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv
NuGet
2.0.0 up to 2.0.3, plus listed versions
2.0.12.0.2
2.0.3
Microsoft.AspNetCore.All
NuGet
2.0.0 up to 2.0.8, plus listed versions
2.0.32.0.52.0.62.0.7
2.0.8

What each source reports

GitHub AdvisoriesNo score

Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.Server.Kestrel.Core, Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, and Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv

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.

Record
GHSA-3m2r-q8x3-xmf7
Updated
2026-11-02
OSVNo score

Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.Server.Kestrel.Core, Microsoft.AspNetCore.Server.Kestrel.Transport.Abstractions, and Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv

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.

Record
GHSA-3m2r-q8x3-xmf7
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedGitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

MoveEnter Open