# CVE-2018-0765: Denial of service vulnerability exists when .NET and .NET Core improperly process XML documents

Source: https://junglewise.ai/threats/cve-2018-0765-denial-of-service-vulnerability-exists-when-net-and-net-core  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-10-16  
License: CC BY 4.0 with a link back

CVE-2018-0765 · Severity: low · CVSS 3 · Published 2018-10-16

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

Technologies: [System.Security.Cryptography.Xml (NuGet)](https://junglewise.ai/threats/technologies/system-security-cryptography-xml). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2018-0765 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-0765 being exploited in the wild.

**How severe is CVE-2018-0765?** Low severity, with a CVSS score of 3, published 16 October 2018.

**Which products and versions are affected?** System.Security.Cryptography.Xml (NuGet) ECOSYSTEM:introduced=0,fixed=4.4.2.

**Is there a fix for CVE-2018-0765?** Yes. System.Security.Cryptography.Xml (NuGet): upgrade to 4.4.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2018-0765?** Check whether you run System.Security.Cryptography.Xml (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- System.Security.Cryptography.Xml (NuGet): upgrade to 4.4.2 or later

  ```sh
  dotnet add package System.Security.Cryptography.Xml --version 4.4.2
  ```


## Affected products

- System.Security.Cryptography.Xml (NuGet) ECOSYSTEM:introduced=0,fixed=4.4.2

## Identifiers

- CVE-2018-0765
- GHSA-35hc-x2cw-2j4v

## Related threats

- [Microsoft .NET certificate validation bypass in Cryptography.Xml](https://junglewise.ai/threats/cve-2026-96222-microsoft-security-advisory-net-spoofing-vulnerability)
- [Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to deny service over a network.](https://junglewise.ai/threats/cve-2026-96960-microsoft-security-advisory-net-and-visual-studio-denial-of)
- [Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.](https://junglewise.ai/threats/cve-2026-96959-microsoft-security-advisory-net-and-visual-studio-denial-of)
- [Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.](https://junglewise.ai/threats/cve-2026-96958-microsoft-security-advisory-net-and-visual-studio-denial-of)
- [Microsoft .NET Framework denial of service via resource exhaustion](https://junglewise.ai/threats/cve-2026-50648-microsoft-net-framework-denial-of-service-via-resource-exhaustion)