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Fencer Vulns
high 7.5

CVE-2018-0875 json

.NET Core Denial of Service Vulnerability

published 2018-03-14 8 y ago modified 2026-06-17 4 mo ago also GHSA-xcvr-qv8h-m7xw , EUVD-2022-5768

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.2%
EPSS 9.2% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

.NET Core 1.0, .NET Core 1.1, NET Core 2.0 and PowerShell Core 6.0.0 allow a denial of Service vulnerability due to how specially crafted requests are handled, aka ".NET Core Denial of Service Vulnerability".

Patch / fix

  • nuget Microsoft.NETCore.Jit 1.0.12, 1.1.7, 2.0.6
  • rh-dotnet20-dotnet RHEL 2.0 DOTNET 2.0.6-1.el7
  • rh-dotnet20-dotnet-host RHEL 2.0 DOTNET 2.0.6-1.el7
  • rh-dotnet20-dotnet-sdk-2.1 RHEL 2.0 DOTNET 2.1.101-1.el7
  • rh-dotnetcore10-dotnetcore RHEL 1.0 DOTNET 1.0.10-1.el7
  • rh-dotnetcore11-dotnetcore RHEL 1.1 DOTNET 1.1.7-1.el7
  • rh-dotnet20-dotnet-runtime-2.0 RHEL 2.0 DOTNET 2.0.6-1.el7

red hat advisories RHSA-2018:0522

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-2018-0875 updated cvss 3.7

Core: Hash Collision Denial of Service

  • Red Hat .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet20-dotnet 2.0.6-1.el7, rh-dotnet20-dotnet-host 2.0.6-1.el7, rh-dotnetcore11-dotnetcore 1.1.7-1.el7, rh-dotnetcore10-dotnetcore 1.0.10-1.el7, rh-dotnet20-dotnet-sdk-2.1 2.1.101-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.6-1.el7 Red Hat .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet20-dotnet 2.0.6-1.el7, rh-dotnet20-dotnet-host 2.0.6-1.el7, rh-dotnetcore11-dotnetcore 1.1.7-1.el7, rh-dotnetcore10-dotnetcore 1.0.10-1.el7, rh-dotnet20-dotnet-sdk-2.1 2.1.101-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.6-1.el7 Red Hat .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet20-dotnet 2.0.6-1.el7, rh-dotnet20-dotnet-host 2.0.6-1.el7, rh-dotnetcore11-dotnetcore 1.1.7-1.el7, rh-dotnetcore10-dotnetcore 1.0.10-1.el7, rh-dotnet20-dotnet-sdk-2.1 2.1.101-1.el7, rh-dotnet20-dotnet-runtime-2.0 2.0.6-1.el7
    fixed: vendor fix RHSA-2018:0522

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

9.15% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

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 Microsoft.NETCore.Jit
>=2.0.0, <2.0.6
>=1.1.0, <1.1.7
<1.0.12
2.0.6
1.1.7
1.0.12

Affected products

  • Microsoft Corporation .NET Core

References

Sources

Fencer Vulns 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.