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GeekWala

CVE-2018-0764

HIGH

Denial of service vulnerability exists when .NET and .NET Core improperly process XML documents

Published October 16, 2018Updated December 2, 2024Source: osv

Summary

Microsoft .NET Framework 1.1, 2.0, 3.0, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 5.7 and .NET Core 1.0. 1.1 and 2.0 allow a denial of service vulnerability due to the way XML documents are processed, aka ".NET and .NET Core Denial Of Service Vulnerability". This CVE is unique from CVE-2018-0765.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update System.Security.Cryptography.Xml to 4.4.2 or later
dotnet add package System.Security.Cryptography.Xml --version 4.4.2

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

PackageEcosystemAffectedFixed In
System.Security.Cryptography.Xml
nuget
4.4.0, 4.4.0-preview1-25305-02, 4.4.0-preview2-25405-01, 4.4.14.4.2

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Frequently Asked Questions

What is CVE-2018-0764?
Denial of service vulnerability exists when .NET and .NET Core improperly process XML documents This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2018-0764?
CVE-2018-0764 affects System.Security.Cryptography.Xml. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2018-0764 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-rr3c-f55v-qhv5

Related CVEs

  • CVE-2026-50648
    HIGH

    Microsoft Security Advisory CVE-2026-50648 – .NET Denial of Service Vulnerability

  • CVE-2018-0765
    HIGH

    Denial of service vulnerability exists when .NET and .NET Core improperly process XML documents

  • CVE-2026-33116
    HIGH

    Microsoft Security Advisory CVE-2026-33116 – .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability

  • CVE-2026-32203
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    Microsoft Security Advisory CVE-2026-32203 – .NET and Visual Studio Denial of Service Vulnerability

  • CVE-2026-50525
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    Microsoft Security Advisory CVE-2026-50525 – .NET Denial of Service Vulnerability

  • CVE-2026-47302
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    Microsoft Security Advisory CVE-2026-47302 – .NET Denial of Service Vulnerability

  • CVE-2026-47304
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    Microsoft Security Advisory CVE-2026-47304 – .NET Security Feature Bypass Vulnerability

  • CVE-2026-50527
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    Microsoft Security Advisory CVE-2026-50527 – .NET Denial of Service Vulnerability

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