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CVE-2023-21538

Good to know:

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Date: January 9, 2023

.NET Denial of Service Vulnerability

Language: C#

Severity Score

Related Resources (8)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GV5QDWYJ4C26JB7RTI55Z4O76WSH4FMV
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZI27LYW5C4Z4644WYIQWOXBZL7WIP2X6
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21538
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21538
https://github.com/dotnet/runtime
https://github.com/dotnet/runtime/security/advisories/GHSA-8f7f-vqg5-jrv9
https://nvd.nist.gov/vuln/detail/CVE-2023-21538
https://www.mend.io/vulnerability-database/CVE-2023-21538

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade Version

Upgrade to version microsoft.netcore.app.runtime.linux-arm - 6.0.13;microsoft.netcore.app.runtime.linux-arm64 - 6.0.13;microsoft.netcore.app.runtime.linux-musl-arm - 6.0.13;microsoft.netcore.app.runtime.linux-musl-arm64 - 6.0.13;microsoft.netcore.app.runtime.linux-musl-x64 - 6.0.13;microsoft.netcore.app.runtime.linux-x64 - 6.0.13;microsoft.netcore.app.runtime.osx-arm64 - 6.0.13;microsoft.netcore.app.runtime.osx-x64 - 6.0.13;microsoft.netcore.app.runtime.win-arm - 6.0.13;microsoft.netcore.app.runtime.win-arm64 - 6.0.13;microsoft.netcore.app.runtime.win-x64 - 6.0.13;microsoft.netcore.app.runtime.win-x86 - 6.0.13

Learn More

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

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