Red Hat Security Advisory: dotnet6.0 security update
Red Hat has released a security update for dotnet6.0 to address two denial of service vulnerabilities: CVE-2024-21386 affecting the SignalR server component and CVE-2024-21404 affecting X509Certificate2. The update includes .NET SDK 6.0.127 and .NET Runtime 6.0.27. These vulnerabilities could allow denial of service conditions if exploited. The update is rated as Important by Red Hat Product Security and affects multiple Red Hat Enterprise Linux 9 variants and architectures.
AI Analysis
Technical Summary
.NET is a managed software framework including a CLR implementation and APIs. Two denial of service vulnerabilities were identified: CVE-2024-21386 in the SignalR server and CVE-2024-21404 in the X509Certificate2 class. Red Hat has released updated packages (dotnet SDK 6.0.127 and Runtime 6.0.27) that address these issues. The advisory covers Red Hat Enterprise Linux 9 and related variants across x86_64, s390x, and aarch64 architectures. No CVSS score is provided in the advisory; Red Hat rates the update as Important.
Potential Impact
Successful exploitation of these vulnerabilities could cause denial of service conditions in applications using the affected .NET components, potentially disrupting service availability. There is no indication of code execution or data compromise. No known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released updated dotnet6.0 packages (SDK 6.0.127 and Runtime 6.0.27) that fix these vulnerabilities. Users should apply these official updates to affected Red Hat Enterprise Linux 9 systems as per Red Hat's guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated or required beyond applying the update.
Red Hat Security Advisory: dotnet6.0 security update
Description
Red Hat has released a security update for dotnet6.0 to address two denial of service vulnerabilities: CVE-2024-21386 affecting the SignalR server component and CVE-2024-21404 affecting X509Certificate2. The update includes .NET SDK 6.0.127 and .NET Runtime 6.0.27. These vulnerabilities could allow denial of service conditions if exploited. The update is rated as Important by Red Hat Product Security and affects multiple Red Hat Enterprise Linux 9 variants and architectures.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
.NET is a managed software framework including a CLR implementation and APIs. Two denial of service vulnerabilities were identified: CVE-2024-21386 in the SignalR server and CVE-2024-21404 in the X509Certificate2 class. Red Hat has released updated packages (dotnet SDK 6.0.127 and Runtime 6.0.27) that address these issues. The advisory covers Red Hat Enterprise Linux 9 and related variants across x86_64, s390x, and aarch64 architectures. No CVSS score is provided in the advisory; Red Hat rates the update as Important.
Potential Impact
Successful exploitation of these vulnerabilities could cause denial of service conditions in applications using the affected .NET components, potentially disrupting service availability. There is no indication of code execution or data compromise. No known exploits in the wild have been reported.
Mitigation Recommendations
Red Hat has released updated dotnet6.0 packages (SDK 6.0.127 and Runtime 6.0.27) that fix these vulnerabilities. Users should apply these official updates to affected Red Hat Enterprise Linux 9 systems as per Red Hat's guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated or required beyond applying the update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:0807
- Cve Count
- 2
- Additional Cves
- ["CVE-2024-21404"]
Threat ID: 6a7e0343bf8831d5398f51fb
Added to database: 08/13/2026, 17:47:47 UTC
Last enriched: 08/13/2026, 17:50:22 UTC
Last updated: 09/10/2026, 19:38:44 UTC
Views: 10
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