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TI-2024-14152 Aliases CVE-2024-21392GHSA-5fxj-whcv-crrc

.NET and Visual Studio Denial of Service Vulnerability

Priority HIGH 72CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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 and Visual Studio Denial of Service Vulnerability

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0309 87th percentileScored 2026-11-07
Fix Fixed Microsoft.NETCore.App.Runtime.linux-arm (NuGet): 7.0.17, 8.0.3Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet): 7.0.17, 8.0.3+10 more productsRed Hat: 4 advisoriesMicrosoft: 2 updates

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
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
MicrosoftMicrosoft Visual Studio 2022 version 17.917.0 to before 17.9.317.9.3Patch availableCNA
MicrosoftPowerShell 7.37.3.0 to before 7.3.127.3.12Patch availableCNA
MicrosoftPowerShell 7.47.4.0 to before 7.4.17.4.1Patch availableCNA
Microsoft.NET 7.07.0.0 to before 7.0.177.0.17Patch availableCNA
Microsoft.NET 8.08.0 to before 8.0.38.0.3Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.617.6.0 to before 17.6.1317.6.13Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.417.4.0 to before 17.4.1717.4.17Patch availableCNA
MicrosoftMicrosoft Visual Studio 2022 version 17.817.8.0 to before 17.8.817.8.8Patch availableCNA
—Microsoft.NETCore.App.Runtime.linux-arm (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-arm (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-x64 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.linux-x64 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.osx-arm64 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.osx-arm64 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.osx-x64 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.osx-x64 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.win-arm (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.win-arm (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.win-arm64 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.win-arm64 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.win-x64 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.win-x86 (NuGet)8.0.0 to before 8.0.38.0.3Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.win-x86 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
—Microsoft.NETCore.App.Runtime.win-x64 (NuGet)7.0.0-preview.1.22076.8 to before 7.0.177.0.17Patch availableGHSA-5fxj-whcv-crrc
  • Microsoft Visual Studio 2022 version 17.9 VendorMicrosoft Affected 17.0 to before 17.9.3 Fixed in 17.9.3 Patch available CNA
  • PowerShell 7.3 VendorMicrosoft Affected 7.3.0 to before 7.3.12 Fixed in 7.3.12 Patch available CNA
  • PowerShell 7.4 VendorMicrosoft Affected 7.4.0 to before 7.4.1 Fixed in 7.4.1 Patch available CNA
  • .NET 7.0 VendorMicrosoft Affected 7.0.0 to before 7.0.17 Fixed in 7.0.17 Patch available CNA
  • .NET 8.0 VendorMicrosoft Affected 8.0 to before 8.0.3 Fixed in 8.0.3 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.6 VendorMicrosoft Affected 17.6.0 to before 17.6.13 Fixed in 17.6.13 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.4 VendorMicrosoft Affected 17.4.0 to before 17.4.17 Fixed in 17.4.17 Patch available CNA
  • Microsoft Visual Studio 2022 version 17.8 VendorMicrosoft Affected 17.8.0 to before 17.8.8 Fixed in 17.8.8 Patch available CNA
  • Microsoft.NETCore.App.Runtime.linux-arm (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-arm (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-x64 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.linux-x64 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.osx-arm64 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.osx-arm64 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.osx-x64 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.osx-x64 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.win-arm (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.win-arm (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.win-arm64 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.win-arm64 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.win-x64 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.win-x86 (NuGet) Vendor— Affected 8.0.0 to before 8.0.3 Fixed in 8.0.3 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.win-x86 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc
  • Microsoft.NETCore.App.Runtime.win-x64 (NuGet) Vendor— Affected 7.0.0-preview.1.22076.8 to before 7.0.17 Fixed in 7.0.17 Patch available GHSA-5fxj-whcv-crrc

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*7.0.0 to before 7.0.17; 8.0.0 to before 8.0.3VulnerableMicrosoft
cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:*7.3 to before 7.3.12VulnerableMicrosoft
cpe:2.3:a:microsoft:powershell:7.4:-:*:*:*:*:*:*7.4VulnerableMicrosoft
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*17.4 to before 17.4.17; 17.6 to before 17.6.13; 17.8 to before 17.8.8; 17.9 to before 17.9.3VulnerableMicrosoft
  • cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.0.17; 8.0.0 to before 8.0.3 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:powershell:*:*:*:*:*:*:*:* Versions 7.3 to before 7.3.12 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:powershell:7.4:-:*:*:*:*:*:* Versions 7.4 Vulnerable ·Microsoft
  • cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* Versions 17.4 to before 17.4.17; 17.6 to before 17.6.13; 17.8 to before 17.8.8; 17.9 to before 17.9.3 Vulnerable ·Microsoft

Remediation

  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-arm (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-arm (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-arm64 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-musl-arm (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-musl-arm64 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-musl-x64 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-x64 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.linux-x64 (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.osx-arm64 (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.osx-arm64 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.osx-x64 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.osx-x64 (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.win-arm (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.win-arm (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.win-arm64 (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.win-arm64 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.win-x64 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.win-x86 (NuGet) Fixed in 8.0.3 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.win-x86 (NuGet) Fixed in 7.0.17 Advisory →
  • Fix · GHSA-5fxj-whcv-crrc Microsoft.NETCore.App.Runtime.win-x64 (NuGet) Fixed in 7.0.17 Advisory →

Red Hat 4 advisories

  • RHSA-2024:1311 Released 2024-03-13 · Red Hat rating Moderate
    .NET 8.0 security update
    • Red Hat CodeReady Linux Builder (v. 8) dotnet-sdk-8.0-source-built-artifacts-8.0.103-1.el8_9
    • Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-8.0-8.0.3-1.el8_9, aspnetcore-runtime-dbg-8.0-8.0.3-1.el8_9, aspnetcore-targeting-pack-8.0-8.0.3-1.el8_9 +12
  • RHSA-2024:1308 Released 2024-03-13 · Red Hat rating Moderate
    .NET 7.0 security update
    • Red Hat CodeReady Linux Builder (v. 8) dotnet-sdk-7.0-source-built-artifacts-7.0.117-1.el8_9
    • Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-7.0-7.0.17-1.el8_9, aspnetcore-targeting-pack-7.0-7.0.17-1.el8_9, dotnet-apphost-pack-7.0-7.0.17-1.el8_9 +6
  • RHSA-2024:1309 Released 2024-03-13 · Red Hat rating Moderate
    .NET 7.0 security update
    • Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-7.0-source-built-artifacts-7.0.117-1.el9_3
    • Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-7.0-7.0.17-1.el9_3, aspnetcore-targeting-pack-7.0-7.0.17-1.el9_3, dotnet-apphost-pack-7.0-7.0.17-1.el9_3 +6
Show 1 more Red Hat advisories
  • RHSA-2024:1310 Released 2024-03-13 · Red Hat rating Moderate
    .NET 8.0 security update
    • Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-8.0-source-built-artifacts-8.0.103-2.el9_3
    • Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-8.0-8.0.3-2.el9_3, aspnetcore-runtime-dbg-8.0-8.0.3-2.el9_3, aspnetcore-targeting-pack-8.0-8.0.3-2.el9_3 +11

Microsoft 2 updates

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2024:1308, RHSA-2024:1311
Red Hat CodeReady Linux Builder (v. 9)Fixed RHSA-2024:1309, RHSA-2024:1310
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:1308, RHSA-2024:1311
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:1309, RHSA-2024:1310
Not affected: 3 products
  • .NET 6.0 on Red Hat Enterprise Linux
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

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 17.4Fixed 17.4.17 · Security Update
Microsoft Visual Studio 2022 version 17.6Fixed 17.6.13 · Security Update
Microsoft Visual Studio 2022 version 17.8Fixed 17.8.8 · Security Update
Microsoft Visual Studio 2022 version 17.9Fixed 17.9.3 · Security Update
PowerShell 7.3Fixed 7.3.12 · Security Update
PowerShell 7.4Fixed 7.4.1 · Security Update

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-21392
  2. 2026-10-03 Alias added: GHSA-5fxj-whcv-crrc

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-2021-08380 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2023-18392 ASP.NET Core Security Feature Bypass Vulnerability CVSS 3.1MEDIUM 6.2
See all 129 →

Sources