Skip to content
Fencer Intel
high 7.5

CVE-2018-0764 json

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

published 2018-01-10 8 y ago modified 2026-06-17 4 mo ago also GHSA-rr3c-f55v-qhv5 , EUVD-2018-0687

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.9%
EPSS 8.9% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

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.

Patch / fix

  • nuget System.Security.Cryptography.Xml 4.4.2
  • rh-dotnet20-dotnet RHEL 2.0 DOTNET 2.0.5-1.el7
  • rh-dotnet20-dotnet-host RHEL 2.0 DOTNET 2.0.5-1.el7
  • rh-dotnet20-dotnet-sdk-2.1 RHEL 2.0 DOTNET 2.1.4-1.el7
  • rh-dotnetcore10-dotnetcore RHEL 1.0 DOTNET 1.0.9-1.el7
  • rh-dotnetcore11-dotnetcore RHEL 1.1 DOTNET 1.1.6-1.el7
  • rh-dotnet20-dotnet-runtime-2.0 RHEL 2.0 DOTNET 2.0.5-1.el7

red hat advisories RHSA-2018:0379

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-0764 updated cvss 5.3

Core: Improper processing of XML documents can cause a denial of service

  • Red Hat .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet20-dotnet 2.0.5-1.el7, rh-dotnet20-dotnet-host 2.0.5-1.el7, rh-dotnet20-dotnet-sdk-2.1 2.1.4-1.el7, rh-dotnetcore10-dotnetcore 1.0.9-1.el7, rh-dotnetcore11-dotnetcore 1.1.6-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.5-1.el7 Red Hat .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet20-dotnet 2.0.5-1.el7, rh-dotnet20-dotnet-host 2.0.5-1.el7, rh-dotnet20-dotnet-sdk-2.1 2.1.4-1.el7, rh-dotnetcore10-dotnetcore 1.0.9-1.el7, rh-dotnetcore11-dotnetcore 1.1.6-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.5-1.el7 Red Hat .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet20-dotnet 2.0.5-1.el7, rh-dotnet20-dotnet-host 2.0.5-1.el7, rh-dotnet20-dotnet-sdk-2.1 2.1.4-1.el7, rh-dotnetcore10-dotnetcore 1.0.9-1.el7, rh-dotnetcore11-dotnetcore 1.1.6-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.5-1.el7
    fixed: vendor fix RHSA-2018:0379

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

8.88% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
nuget System.Security.Cryptography.Xml
<4.4.2
4.4.2

Affected products

  • Microsoft Corporation .NET Framework and .NET Core

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.