Description
.NET Denial of Service Vulnerability
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | .NET 6.0 | 6.0.0 – < 6.0.13 | 6.0.13 |
| Microsoft | PowerShell 7.2 | 7.2.0 – < 7.2.9 | 7.2.9 |
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 | 6.0.113-0ubuntu1~22.04.1 | USN-5798-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | dotnet-hostfxr-6.0 +5 | 6.0.13-1.el9_1 | RHSA-2023:0077 |
| RHEL 9 | dotnet6.0 +3 | 6.0.113-1.el9_1 | RHSA-2023:0077 |
| RHEL 8 | dotnet-hostfxr-6.0 +5 | 6.0.13-1.el8_7 | RHSA-2023:0079 |
| RHEL 8 | dotnet6.0 +3 | 6.0.113-1.el8_7 | RHSA-2023:0079 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Dotnet 6 | rh-dotnet60-dotnet +4 | 6.0.113-1.el7_9 | RHSA-2023:0078 |
| Red Hat Rhel Dotnet 6 | rh-dotnet60-dotnet-host +6 | 6.0.13-1.el7_9 | RHSA-2023:0078 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | dotnet-hostfxr-6.0 +5 | 6.0.13-1.el9_1 | ALSA-2023:0077 |
| AlmaLinux 9 | dotnet-sdk-6.0 +2 | 6.0.113-1.el9_1 | ALSA-2023:0077 |
| AlmaLinux 8 | dotnet-hostfxr-6.0 +5 | 6.0.13-1.el8_7 | ALSA-2023:0079 |
| AlmaLinux 8 | dotnet-sdk-6.0 +2 | 6.0.113-1.el8_7 | ALSA-2023:0079 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | dotnet6.0 | 6.0.113-1.el9_1 | RLSA-2023:0077 |
| Rocky Linux 8 | dotnet6.0 | 6.0.113-1.el8_7 | RLSA-2023:0079 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.20 | dotnet6-build | 6.0.113-r0 | — |
| Alpine v3.20 | dotnet6-runtime | 6.0.13-r0 | — |
| Alpine v3.19 | dotnet6-build | 6.0.113-r0 | — |
| Alpine v3.19 | dotnet6-runtime | 6.0.13-r0 | — |
| Alpine v3.18 | dotnet6-build | 6.0.113-r0 | — |
| Alpine v3.18 | dotnet6-runtime | 6.0.13-r0 | — |
| Alpine v3.17 | dotnet6-build | 6.0.113-r0 | — |
| Alpine v3.17 | dotnet6-runtime | 6.0.13-r0 | — |
| Alpine v3.16 | dotnet6-build | 6.0.113-r0 | — |
| Alpine v3.16 | dotnet6-runtime | 6.0.13-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | dotnet +4 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 |
| Amazon Linux 2023 | dotnet-host +6 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | dotnet-hostfxr-6.0 +5 | 6.0.13-1.0.1.el9_1 | ELSA-2023-0077 |
| Oracle Linux 9 | dotnet-sdk-6.0 +2 | 6.0.113-1.0.1.el9_1 | ELSA-2023-0077 |
| Oracle Linux 8 | dotnet-hostfxr-6.0 +5 | 6.0.13-1.0.1.el8_7 | ELSA-2023-0079 |
| Oracle Linux 8 | dotnet-sdk-6.0 +2 | 6.0.113-1.0.1.el8_7 | ELSA-2023-0079 |
Affected packages
Advisories 13
- ALSA-2023:0077 Moderate: .NET 6.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2023:0079 Moderate: .NET 6.0 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2023:0077 Red Hat Security Advisory: .NET 6.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2023:0079 Red Hat Security Advisory: .NET 6.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-5798-1 dotnet6 vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- RLSA-2023:0077 Moderate: .NET 6.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2023:0079 Moderate: .NET 6.0 security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 4, 2026
- RHSA-2023:0078 Red Hat Security Advisory: .NET 6.0 security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Nov 22, 2025
- ALAS2023-2023-242 Important: dotnet6.0 security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Jul 20, 2023
- MSRC-CVE-2023-21538 .NET Denial of Service Vulnerability Microsoft Security Response Center · Jan 25, 2023
- WID-SEC-2023-0059 Microsoft Developer Tools: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 12, 2023
- ELSA-2023-0077 Moderate: .NET 6.0 security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Jan 12, 2023
- ELSA-2023-0079 Moderate: .NET 6.0 security, bug fix, and enhancement update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jan 12, 2023
References
- .NET Denial of Service Vulnerability vendor-advisory