Description
.NET and Visual Studio Denial of Service Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | .NET 6.0 | 6.0.0 – < 6.0.21 | 6.0.21 |
| Microsoft | .NET 7.0 | 7.0.0 – < 7.0.10 | 7.0.10 |
| Microsoft | ASP.NET Core 2.1 | 2.0 – < 2.1.40 | 2.1.40 |
| Microsoft | Microsoft Visual Studio 2022 version 17.2 | 17.2.0 – < 17.2.18 | 17.2.18 |
| Microsoft | Microsoft Visual Studio 2022 version 17.4 | 17.4.0 – < 17.4.10 | 17.4.10 |
| Microsoft | Microsoft Visual Studio 2022 version 17.6 | 17.6.0 – < 17.6.6 | 17.6.6 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | dotnet6 | 6.0.121-0ubuntu1~22.04.1 | USN-6278-2 |
| Ubuntu 22.04 LTS | dotnet7 | 7.0.110-0ubuntu1~22.04.1 | USN-6278-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | dotnet-host +6 | 7.0.10-1.el9_2 | RHSA-2023:4642 |
| RHEL 9 | dotnet-hostfxr-6.0 +5 | 6.0.21-1.el9_2 | RHSA-2023:4644 |
| RHEL 9 | dotnet6.0 +3 | 6.0.121-1.el9_2 | RHSA-2023:4644 |
| RHEL 9 | dotnet7.0 +4 | 7.0.110-1.el9_2 | RHSA-2023:4642 |
| RHEL 8 | dotnet +5 | 7.0.110-1.el8_8 | RHSA-2023:4643 |
| RHEL 8 | dotnet-host +6 | 7.0.10-1.el8_8 | RHSA-2023:4643 |
| RHEL 8 | dotnet-hostfxr-6.0 +5 | 6.0.21-1.el8_8 | RHSA-2023:4645 |
| RHEL 8 | dotnet6.0 +3 | 6.0.121-1.el8_8 | RHSA-2023:4645 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Dotnet 6 | rh-dotnet60-dotnet +4 | 6.0.121-1.el7_9 | RHSA-2023:4641 |
| Red Hat Rhel Dotnet 6 | rh-dotnet60-dotnet-host +6 | 6.0.21-1.el7_9 | RHSA-2023:4641 |
| RHEL 9.0 EUS | dotnet-host +6 | 6.0.21-1.el9_0 | RHSA-2023:4639 |
| RHEL 9.0 EUS | dotnet6.0 +4 | 6.0.121-1.el9_0 | RHSA-2023:4639 |
| RHEL 8.6 EUS | dotnet +5 | 6.0.121-1.el8_6 | RHSA-2023:4640 |
| RHEL 8.6 EUS | dotnet-host +6 | 6.0.21-1.el8_6 | RHSA-2023:4640 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | dotnet-host +6 | 7.0.10-1.el9_2 | ALSA-2023:4642 |
| AlmaLinux 9 | dotnet-hostfxr-6.0 +5 | 6.0.21-1.el9_2 | ALSA-2023:4644 |
| AlmaLinux 9 | dotnet-sdk-6.0 +2 | 6.0.121-1.el9_2 | ALSA-2023:4644 |
| AlmaLinux 9 | dotnet-sdk-7.0 +3 | 7.0.110-1.el9_2 | ALSA-2023:4642 |
| AlmaLinux 8 | dotnet +4 | 7.0.110-1.el8_8 | ALSA-2023:4643 |
| AlmaLinux 8 | dotnet-host +6 | 7.0.10-1.el8_8 | ALSA-2023:4643 |
| AlmaLinux 8 | dotnet-hostfxr-6.0 +5 | 6.0.21-1.el8_8 | ALSA-2023:4645 |
| AlmaLinux 8 | dotnet-sdk-6.0 +2 | 6.0.121-1.el8_8 | ALSA-2023:4645 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | dotnet6.0 | 6.0.121-1.el8_8 | RLSA-2023:4645 |
| Rocky Linux 8 | dotnet7.0 | 7.0.110-1.el8_8 | RLSA-2023:4643 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.20 | dotnet6-build | 6.0.121-r0 | — |
| Alpine v3.20 | dotnet6-runtime | 6.0.21-r0 | — |
| Alpine v3.19 | dotnet6-build | 6.0.121-r0 | — |
| Alpine v3.19 | dotnet6-runtime | 6.0.21-r0 | — |
| Alpine v3.19 | dotnet7-build | 7.0.110-r0 | — |
| Alpine v3.19 | dotnet7-runtime | 7.0.10-r0 | — |
| Alpine v3.18 | dotnet6-build | 6.0.121-r0 | — |
| Alpine v3.18 | dotnet6-runtime | 6.0.21-r0 | — |
| Alpine v3.18 | dotnet7-build | 7.0.110-r0 | — |
| Alpine v3.18 | dotnet7-runtime | 7.0.10-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | dotnet +4 | 6.0.121-1.amzn2023.0.2 | ALAS2023-2023-326 |
| Amazon Linux 2023 | dotnet-host +6 | 6.0.21-1.amzn2023.0.2 | ALAS2023-2023-326 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | dotnet-host +6 | 7.0.10-1.0.1.el9_2 | ELSA-2023-4642 |
| Oracle Linux 9 | dotnet-hostfxr-6.0 +5 | 6.0.21-1.0.1.el9_2 | ELSA-2023-4644 |
| Oracle Linux 9 | dotnet-sdk-6.0 +2 | 6.0.121-1.0.1.el9_2 | ELSA-2023-4644 |
| Oracle Linux 9 | dotnet-sdk-7.0 +3 | 7.0.110-1.0.1.el9_2 | ELSA-2023-4642 |
| Oracle Linux 8 | dotnet +4 | 7.0.110-1.0.1.el8_8 | ELSA-2023-4643 |
| Oracle Linux 8 | dotnet-host +6 | 7.0.10-1.0.1.el8_8 | ELSA-2023-4643 |
| Oracle Linux 8 | dotnet-hostfxr-6.0 +5 | 6.0.21-1.0.1.el8_8 | ELSA-2023-4645 |
| Oracle Linux 8 | dotnet-sdk-6.0 +2 | 6.0.121-1.0.1.el8_8 | ELSA-2023-4645 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| NuGet | Microsoft.AspNetCore.App.Runtime.win-arm64 | >= 7.0.0, < 7.0.10 | 7.0.10 | GHSA-vmch-3w2x-vhgq |
| NuGet | Microsoft.AspNetCore.App.Runtime.win-arm64 | >= 6.0.0, < 6.0.21 | 6.0.21 | GHSA-vmch-3w2x-vhgq |
| NuGet | Microsoft.AspNetCore.App.Runtime.win-x64 | >= 7.0.0, < 7.0.10 | 7.0.10 | GHSA-vmch-3w2x-vhgq |
| NuGet | Microsoft.AspNetCore.App.Runtime.win-x64 | >= 6.0.0, < 6.0.21 | 6.0.21 | GHSA-vmch-3w2x-vhgq |
| NuGet | Microsoft.AspNetCore.App.Runtime.win-x86 | >= 7.0.0, < 7.0.10 | 7.0.10 | GHSA-vmch-3w2x-vhgq |
| NuGet | Microsoft.AspNetCore.App.Runtime.win-x86 | >= 6.0.0, < 6.0.21 | 6.0.21 | GHSA-vmch-3w2x-vhgq |
| NuGet | Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv | >= 6.0.0, < 6.0.21 | 6.0.21 | GHSA-vmch-3w2x-vhgq |
| NuGet | Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv | < 2.1.40 | 2.1.40 | GHSA-vmch-3w2x-vhgq |
| NuGet | Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets | < 2.1.40 | 2.1.40 | GHSA-vmch-3w2x-vhgq |
Advisories 23
- ALSA-2023:4642 Important: .NET 7.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:4644 Important: .NET 6.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:4643 Important: .NET 7.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:4645 Important: .NET 6.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:4643 Red Hat Security Advisory: .NET 7.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2023:4644 Red Hat Security Advisory: .NET 6.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2023:4645 Red Hat Security Advisory: .NET 6.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2023:4639 Red Hat Security Advisory: .NET 6.0 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2023:4640 Red Hat Security Advisory: .NET 6.0 security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2023:4642 Red Hat Security Advisory: .NET 7.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-6278-2 dotnet6, dotnet7 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- RLSA-2023:4645 Important: .NET 6.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2023:4643 Important: .NET 7.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- RHSA-2023:4641 Red Hat Security Advisory: rh-dotnet60-dotnet security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ALAS2023-2023-326 Important: dotnet6.0 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 26, 2025
- NCSC-2024-0246 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Jun 11, 2024
- SSA-341067 SSA-341067: Multiple vulnerabilities in third-party components in ST7 ScadaConnect before V1.1 Siemens ProductCERT · Jun 11, 2024
- ICSA-24-165-04 Siemens ST7 ScadaConnect CISA ICS & IT advisories · Jun 11, 2024
- ELSA-2023-4642 Important: .NET 7.0 security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 16, 2023
- ELSA-2023-4644 Important: .NET 6.0 security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Aug 16, 2023
- ELSA-2023-4643 Important: .NET 7.0 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 15, 2023
- ELSA-2023-4645 Important: .NET 6.0 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Aug 15, 2023
- MSRC-CVE-2023-38180 .NET and Visual Studio Denial of Service Vulnerability Microsoft Security Response Center · Aug 11, 2023
References
- .NET and Visual Studio Denial of Service Vulnerability vendor-advisory patch