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TI-2023-18593 Aliases CVE-2023-36799GHSA-h3hv-63q5-jgpr

.NET Core and Visual Studio Denial of Service Vulnerability

Priority LOW 36CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub, Red Hat and Microsoft. Impact type from Microsoft.

Summary

.NET Core and Visual Studio Denial of Service Vulnerability

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.04637 91st percentileScored 2026-11-07
Fix Fixed Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet): 7.0.11, 6.0.22Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet): 7.0.11, 6.0.22+4 more productsRed Hat: 10 advisoriesMicrosoft: 2 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Microsoft.NET 6.06.0.0 to before 6.0.246.0.24Patch availableCNA
Microsoft.NET 7.07.0.0 to before 7.0.137.0.13Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.217.2.0 to before 17.2.2117.2.21Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.417.4.0 to before 17.4.1317.4.13Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.717.7.0 to before 17.6.917.6.9Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.617.6.0 to before 17.6.917.6.9Patch availableCNA
MicrosoftPowerShell 7.27.2.0 to before 7.2.147.2.14Patch availableCNA
MicrosoftPowerShell 7.37.3.0 to before 7.2.147.2.14Patch availableCNA
—Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet)7.0.0 to before 7.0.117.0.11Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet)7.0.0 to before 7.0.117.0.11Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-arm (NuGet)7.0.0 to before 7.0.117.0.11Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet)7.0.0 to before 7.0.117.0.11Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet)7.0.0 to before 7.0.117.0.11Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-x64 (NuGet)7.0.0 to before 7.0.117.0.11Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-x64 (NuGet)6.0.0 to before 6.0.226.0.22Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet)6.0.0 to before 6.0.226.0.22Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet)6.0.0 to before 6.0.226.0.22Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-arm (NuGet)6.0.0 to before 6.0.226.0.22Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet)6.0.0 to before 6.0.226.0.22Patch availableGHSA-h3hv-63q5-jgpr
—Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet)6.0.0 to before 6.0.226.0.22Patch availableGHSA-h3hv-63q5-jgpr
  • .NET 6.0 VendorMicrosoft Affected 6.0.0 to before 6.0.24 Fixed in 6.0.24 Patch available CNA
  • .NET 7.0 VendorMicrosoft Affected 7.0.0 to before 7.0.13 Fixed in 7.0.13 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.2 VendorMicrosoft Affected 17.2.0 to before 17.2.21 Fixed in 17.2.21 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.4 VendorMicrosoft Affected 17.4.0 to before 17.4.13 Fixed in 17.4.13 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.7 VendorMicrosoft Affected 17.7.0 to before 17.6.9 Fixed in 17.6.9 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.6 VendorMicrosoft Affected 17.6.0 to before 17.6.9 Fixed in 17.6.9 Patch available CNA
  • PowerShell 7.2 VendorMicrosoft Affected 7.2.0 to before 7.2.14 Fixed in 7.2.14 Patch available CNA
  • PowerShell 7.3 VendorMicrosoft Affected 7.3.0 to before 7.2.14 Fixed in 7.2.14 Patch available CNA
  • Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet) Vendor— Affected 7.0.0 to before 7.0.11 Fixed in 7.0.11 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet) Vendor— Affected 7.0.0 to before 7.0.11 Fixed in 7.0.11 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-arm (NuGet) Vendor— Affected 7.0.0 to before 7.0.11 Fixed in 7.0.11 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet) Vendor— Affected 7.0.0 to before 7.0.11 Fixed in 7.0.11 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet) Vendor— Affected 7.0.0 to before 7.0.11 Fixed in 7.0.11 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-x64 (NuGet) Vendor— Affected 7.0.0 to before 7.0.11 Fixed in 7.0.11 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-x64 (NuGet) Vendor— Affected 6.0.0 to before 6.0.22 Fixed in 6.0.22 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet) Vendor— Affected 6.0.0 to before 6.0.22 Fixed in 6.0.22 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet) Vendor— Affected 6.0.0 to before 6.0.22 Fixed in 6.0.22 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-arm (NuGet) Vendor— Affected 6.0.0 to before 6.0.22 Fixed in 6.0.22 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet) Vendor— Affected 6.0.0 to before 6.0.22 Fixed in 6.0.22 Patch available GHSA-h3hv-63q5-jgpr
  • Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet) Vendor— Affected 6.0.0 to before 6.0.22 Fixed in 6.0.22 Patch available GHSA-h3hv-63q5-jgpr

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:.net:6.0.0:-:*:*:*:*:*:*6.0.0VulnerableMicrosoft
cpe:2.3:a:microsoft:.net:7.0.0:*:*:*:*:*:*:*7.0.0VulnerableMicrosoft
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*17.2 to before 17.2.19; 17.4 to before 17.4.11; 17.6 to before 17.6.7; 17.7 to before 17.7.4VulnerableMicrosoft
  • cpe:2.3:a:microsoft:.net:6.0.0:-:*:*:*:*:*:* Versions 6.0.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:.net:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* Versions 17.2 to before 17.2.19; 17.4 to before 17.4.11; 17.6 to before 17.6.7; 17.7 to before 17.7.4 Vulnerable ·Microsoft

Remediation

  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet) Fixed in 7.0.11 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet) Fixed in 7.0.11 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-arm (NuGet) Fixed in 7.0.11 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet) Fixed in 7.0.11 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet) Fixed in 7.0.11 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-x64 (NuGet) Fixed in 7.0.11 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-x64 (NuGet) Fixed in 6.0.22 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet) Fixed in 6.0.22 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet) Fixed in 6.0.22 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-arm (NuGet) Fixed in 6.0.22 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet) Fixed in 6.0.22 Advisory →
  • Fix · GHSA-h3hv-63q5-jgpr Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet) Fixed in 6.0.22 Advisory →

Red Hat 10 advisories

  • RHSA-2023:6246 Released 2023-11-02 · Red Hat rating Moderate
    .NET 7.0 security update
    • Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-7.0-7.0.13-1.el9_2, aspnetcore-targeting-pack-7.0-7.0.13-1.el9_2, dotnet-apphost-pack-7.0-7.0.13-1.el9_2 +8
    • Red Hat Enterprise Linux CRB (v. 9) dotnet-sdk-7.0-source-built-artifacts-7.0.113-1.el9_2
  • RHSA-2023:6247 Released 2023-11-01 · Red Hat rating Moderate
    .NET 7.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-7.0-7.0.13-1.el8_8, aspnetcore-targeting-pack-7.0-7.0.13-1.el8_8, dotnet-7.0.113-1.el8_8 +9
    • Red Hat Enterprise Linux CRB (v. 8) dotnet-sdk-7.0-source-built-artifacts-7.0.113-1.el8_8
  • RHSA-2023:6249 Released 2023-11-01 · Red Hat rating Moderate
    .NET 6.0 security, bug fix, and enhancement update
    • .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.24-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.24-1.el7_9, rh-dotnet60-dotnet-6.0.124-1.el7_9 +9
    • .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.24-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.24-1.el7_9, rh-dotnet60-dotnet-6.0.124-1.el7_9 +9
    • .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.24-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.24-1.el7_9, rh-dotnet60-dotnet-6.0.124-1.el7_9 +9
Show 7 more Red Hat advisories
  • RHSA-2023:6245 Released 2023-11-01 · Red Hat rating Moderate
    .NET 6.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-6.0-6.0.24-1.el8_8, aspnetcore-targeting-pack-6.0-6.0.24-1.el8_8, dotnet-apphost-pack-6.0-6.0.24-1.el8_8 +6
    • Red Hat Enterprise Linux CRB (v. 8) dotnet-sdk-6.0-source-built-artifacts-6.0.124-1.el8_8
  • RHSA-2023:6242 Released 2023-11-01 · Red Hat rating Moderate
    .NET 6.0 security update
    • Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-6.0-6.0.24-1.el9_2, aspnetcore-targeting-pack-6.0-6.0.24-1.el9_2, dotnet-apphost-pack-6.0-6.0.24-1.el9_2 +6
    • Red Hat Enterprise Linux CRB (v. 9) dotnet-sdk-6.0-source-built-artifacts-6.0.124-1.el9_2
  • RHSA-2023:5145 Released 2023-09-13 · Red Hat rating Moderate
    .NET 7.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-7.0-7.0.11-1.el8_8, aspnetcore-targeting-pack-7.0-7.0.11-1.el8_8, dotnet-7.0.111-1.el8_8 +9
    • Red Hat Enterprise Linux CRB (v. 8) dotnet-sdk-7.0-source-built-artifacts-7.0.111-1.el8_8
  • RHSA-2023:5144 Released 2023-09-13 · Red Hat rating Moderate
    .NET 6.0 security update
    • Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-6.0-6.0.22-1.el8_8, aspnetcore-targeting-pack-6.0-6.0.22-1.el8_8, dotnet-apphost-pack-6.0-6.0.22-1.el8_8 +6
    • Red Hat Enterprise Linux CRB (v. 8) dotnet-sdk-6.0-source-built-artifacts-6.0.122-1.el8_8
  • RHSA-2023:5146 Released 2023-09-13 · Red Hat rating Moderate
    .NET 7.0 security update
    • Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-7.0-7.0.11-1.el9_2, aspnetcore-targeting-pack-7.0-7.0.11-1.el9_2, dotnet-apphost-pack-7.0-7.0.11-1.el9_2 +8
    • Red Hat Enterprise Linux CRB (v. 9) dotnet-sdk-7.0-source-built-artifacts-7.0.111-1.el9_2
  • RHSA-2023:5143 Released 2023-09-13 · Red Hat rating Moderate
    .NET 6.0 security update
    • Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-6.0-6.0.22-1.el9_2, aspnetcore-targeting-pack-6.0-6.0.22-1.el9_2, dotnet-apphost-pack-6.0-6.0.22-1.el9_2 +6
    • Red Hat Enterprise Linux CRB (v. 9) dotnet-sdk-6.0-source-built-artifacts-6.0.122-1.el9_2
  • RHSA-2023:5142 Released 2023-09-13 · Red Hat rating Moderate
    .NET 6.0 security and bug fix update
    • .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.22-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.22-1.el7_9, rh-dotnet60-dotnet-6.0.122-1.el7_9 +9
    • .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.22-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.22-1.el7_9, rh-dotnet60-dotnet-6.0.122-1.el7_9 +9
    • .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.22-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.22-1.el7_9, rh-dotnet60-dotnet-6.0.122-1.el7_9 +9

Microsoft 2 updates

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2023:5142, RHSA-2023:6249
.NET Core on Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2023:5142, RHSA-2023:6249
.NET Core on Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2023:5142, RHSA-2023:6249
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:5144, RHSA-2023:5145, RHSA-2023:6245, RHSA-2023:6247
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:5143, RHSA-2023:5146, RHSA-2023:6242, RHSA-2023:6246
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2023:5144, RHSA-2023:5145, RHSA-2023:6245, RHSA-2023:6247
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:5143, RHSA-2023:5146, RHSA-2023:6242, RHSA-2023:6246
Not affected: 1 product
  • .NET 6.0 on Red Hat Enterprise Linux

Microsoft

Microsoft's page for this CVE →

Impact
Denial of Service
Exploited
No
Publicly disclosed
No
Exploitability
Exploitation Less Likely
ProductStatusPlan or fix
Microsoft Visual Studio 2022 version 17.2Fixed 17.2.21 · Security Update
Microsoft Visual Studio 2022 version 17.4Fixed 17.4.13 · Security Update
Microsoft Visual Studio 2022 version 17.6Fixed 17.6.9 · Security Update
Microsoft Visual Studio 2022 version 17.7Fixed 17.6.9 · Security Update
PowerShell 7.2Fixed 7.2.14 · Security Update
PowerShell 7.3Fixed 7.2.14 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-36799
  2. 2026-10-03 Alias added: GHSA-h3hv-63q5-jgpr

References

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2023-19596 .NET and Visual Studio Denial of Service Vulnerability KEVCVSS 3.1HIGH 7.5
  • TI-2023-19588 Microsoft QUIC Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2024-14152 .NET and Visual Studio Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2021-08380 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
See all 129 →

Sources