Skip to content
Fencer Intel
high 7.5

CVE-2019-0980 json

Denial of service in ASP.NET Core

published 7y ago modified 4mo ago also GHSA-xhfc-gr8f-ffwc , EUVD-2022-5796

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.0%
EPSS 5.0% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests, aka '.Net Framework and .Net Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0820, CVE-2019-0981.

Patch / fix

  • nuget System.Private.Uri 4.3.2
  • rh-dotnet21 RHEL 2.1 DOTNET 2.1-10.el7
  • rh-dotnet22 RHEL 2.2 DOTNET 2.2-7.el7
  • rh-dotnet22-curl RHEL 2.2 DOTNET 7.61.1-2.el7
  • rh-dotnet21-dotnet RHEL 2.1 DOTNET 2.1.507-2.el7
  • rh-dotnet22-dotnet RHEL 2.2 DOTNET 2.2.107-2.el7
  • rh-dotnet21-runtime RHEL 2.1 DOTNET 2.1-10.el7
  • rh-dotnet22-libcurl RHEL 2.2 DOTNET 7.61.1-2.el7
  • rh-dotnet22-runtime RHEL 2.2 DOTNET 2.2-7.el7

red hat advisories RHSA-2019:1236RHSA-2019:1259

Is CVE-2019-0980 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2019-0980 updated cvss 7.5

dotnet: infinite loop in Uri.TryCreate leading to ASP.Net Core Denial of Service

  • Red Hat .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet22 2.2-7.el7, rh-dotnet21 2.1-10.el7, rh-dotnet22-curl 7.61.1-2.el7, rh-dotnet22-runtime 2.2-7.el7, rh-dotnet21-runtime 2.1-10.el7, rh-dotnet21-dotnet 2.1.507-2.el7, +13 more Red Hat .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet22 2.2-7.el7, rh-dotnet21 2.1-10.el7, rh-dotnet22-curl 7.61.1-2.el7, rh-dotnet22-runtime 2.2-7.el7, rh-dotnet21-runtime 2.1-10.el7, rh-dotnet21-dotnet 2.1.507-2.el7, +13 more Red Hat .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet22 2.2-7.el7, rh-dotnet21 2.1-10.el7, rh-dotnet22-curl 7.61.1-2.el7, rh-dotnet22-runtime 2.2-7.el7, rh-dotnet21-runtime 2.1-10.el7, rh-dotnet21-dotnet 2.1.507-2.el7, +13 more
    fixed: vendor fix RHSA-2019:1236
  • Red Hat Enterprise Linux AppStream (v. 8) dotnet 2.1.507-2.el8_0, dotnet-host 2.1.11-2.el8_0, dotnet-sdk-2.1 2.1.507-2.el8_0, dotnet-runtime-2.1 2.1.11-2.el8_0, dotnet-host-fxr-2.1 2.1.11-2.el8_0, dotnet-sdk-2.1.5xx 2.1.507-2.el8_0
    fixed: vendor fix RHSA-2019:1259

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

4.98% chance of exploitation in the next 30 days, higher than 92% 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.Private.Uri
>=4.3.0, <4.3.2
4.3.2

Affected products

  • Microsoft Microsoft .NET Framework 4.5.2
  • Microsoft Microsoft .NET Framework 4.6
  • Microsoft Microsoft .NET Framework 4.6.2 on Windows 10 for 32-bit Systems
  • Microsoft Microsoft .NET Framework 4.6.2 on Windows 10 for x64-based Systems
  • Microsoft .NET Core
  • Microsoft Microsoft .NET Framework 4.7.2
  • Microsoft Microsoft .NET Framework 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems
  • Microsoft Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
  • Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
  • Microsoft Microsoft .NET Framework 4.7/4.7.1/4.7.2
  • Microsoft Microsoft .NET Framework 4.7.1/4.7.2
  • Microsoft Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1
  • Microsoft Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)
  • Microsoft Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 R2
  • Microsoft Microsoft .NET Framework 4.8 on Windows RT 8.1
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2016
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for 32-bit Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for x64-based Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2019
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server 2019 (Server Core installation)
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for 32-bit Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for x64-based Systems
  • Microsoft Microsoft .NET Framework 4.8 on Windows Server, version 1903 (Server Core installation)
  • Microsoft Microsoft .NET Framework 3.5
  • Microsoft Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for 32-bit Systems
  • Microsoft Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for x64-based Systems
  • Microsoft Microsoft .NET Framework 3.5 on Windows Server, version 1903 (Server Core installation)
  • Microsoft Microsoft .NET Framework 3.0
  • Microsoft Microsoft .NET Framework 2.0
  • Microsoft Microsoft .NET Framework 3.5.1

Classification

Weakness
  • CWE-19 Data Processing Errors

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.