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CVE-2021-26423

Good to know:

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Date: August 12, 2021

.NET Core and Visual Studio Denial of Service Vulnerability

Language: C#

Severity Score

Related Resources (6)

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423
https://nvd.nist.gov/vuln/detail/CVE-2021-26423
https://github.com/dotnet/runtime/security/advisories/GHSA-rh58-r7jh-xhx3
https://github.com/dotnet/announcements/issues/194
https://access.redhat.com/security/cve/CVE-2021-26423
https://www.mend.io/vulnerability-database/CVE-2021-26423

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade Version

Upgrade to version Microsoft.NETCore.App.Runtime.win-x86 - 3.1.18;Microsoft.NETCore.App.Runtime.win-x86 - 5.0.9;Microsoft.NETCore.App.Runtime.win-x64 - 3.1.18;Microsoft.NETCore.App.Runtime.win-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.win-arm64 - 3.1.18;Microsoft.NETCore.App.Runtime.win-arm64 - 5.0.9;Microsoft.NETCore.App.Runtime.win-arm - 5.0.9;Microsoft.NETCore.App.Runtime.win-arm - 3.1.18;Microsoft.NETCore.App.Runtime.osx-x64 - 3.1.18;Microsoft.NETCore.App.Runtime.osx-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.osx-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.LLVM.osx-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.LLVM.linux-arm64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.osx-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.LLVM.AOT.linux-arm64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.linux-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.linux-musl-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.linux-arm64 - 5.0.9;Microsoft.NETCore.App.Runtime.Mono.linux-arm - 5.0.9;Microsoft.NETCore.App.Runtime.linux-x64 - 3.1.18;Microsoft.NETCore.App.Runtime.linux-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.linux-musl-x64 - 5.0.9;Microsoft.NETCore.App.Runtime.linux-musl-x64 - 3.1.18;Microsoft.NETCore.App.Runtime.linux-musl-arm64 - 5.0.9;Microsoft.NETCore.App.Runtime.linux-musl-arm64 - 3.1.18;Microsoft.NETCore.App.Runtime.linux-musl-arm - 5.0.9;Microsoft.NETCore.App.Runtime.rhel.6-x64 - 3.1.18;Microsoft.NETCore.App.Runtime.linux-arm64 - 5.0.9;Microsoft.NETCore.App.Runtime.linux-arm64 - 3.1.18;Microsoft.NETCore.App.Runtime.linux-arm - 5.0.9;Microsoft.NETCore.App.Runtime.linux-arm - 3.1.18

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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