Red Hat Security Advisory: dotnet6.0 security update
Red Hat has released security updates for the dotnet6.0 packages addressing two denial of service vulnerabilities: CVE-2024-21386 affecting the SignalR server and CVE-2024-21404 affecting X509Certificate2. The fixes are included in .NET SDK 6.0.127 and .NET Runtime 6.0.27. These vulnerabilities could allow denial of service conditions but no active exploits are known. The update is rated as Important by Red Hat and applies to Red Hat Enterprise Linux 8 and related variants.
AI Analysis
Technical Summary
This advisory covers two denial of service vulnerabilities in the .NET 6.0 framework as packaged by Red Hat. CVE-2024-21386 affects the SignalR server component, and CVE-2024-21404 affects the X509Certificate2 class. Both vulnerabilities could be exploited to cause denial of service conditions. Red Hat has released updated packages: .NET SDK 6.0.127 and .NET Runtime 6.0.27, which address these issues. The advisory applies to Red Hat Enterprise Linux 8 and associated builds for multiple architectures. No CVSS scores are provided in the advisory, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation of these vulnerabilities could result in 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 active exploitation has been reported.
Mitigation Recommendations
Red Hat has released fixed versions of the dotnet6.0 packages (.NET SDK 6.0.127 and .NET Runtime 6.0.27) that address these vulnerabilities. Users should apply these official updates as provided by Red Hat to remediate the issues. For detailed update instructions, refer to Red Hat's advisory and article at https://access.redhat.com/articles/11258. No additional mitigations are specified or required beyond applying the official patches.
Red Hat Security Advisory: dotnet6.0 security update
Description
Red Hat has released security updates for the dotnet6.0 packages addressing two denial of service vulnerabilities: CVE-2024-21386 affecting the SignalR server and CVE-2024-21404 affecting X509Certificate2. The fixes are included in .NET SDK 6.0.127 and .NET Runtime 6.0.27. These vulnerabilities could allow denial of service conditions but no active exploits are known. The update is rated as Important by Red Hat and applies to Red Hat Enterprise Linux 8 and related variants.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory covers two denial of service vulnerabilities in the .NET 6.0 framework as packaged by Red Hat. CVE-2024-21386 affects the SignalR server component, and CVE-2024-21404 affects the X509Certificate2 class. Both vulnerabilities could be exploited to cause denial of service conditions. Red Hat has released updated packages: .NET SDK 6.0.127 and .NET Runtime 6.0.27, which address these issues. The advisory applies to Red Hat Enterprise Linux 8 and associated builds for multiple architectures. No CVSS scores are provided in the advisory, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation of these vulnerabilities could result in 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 active exploitation has been reported.
Mitigation Recommendations
Red Hat has released fixed versions of the dotnet6.0 packages (.NET SDK 6.0.127 and .NET Runtime 6.0.27) that address these vulnerabilities. Users should apply these official updates as provided by Red Hat to remediate the issues. For detailed update instructions, refer to Red Hat's advisory and article at https://access.redhat.com/articles/11258. No additional mitigations are specified or required beyond applying the official patches.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2024:0808
- Cve Count
- 2
- Additional Cves
- ["CVE-2024-21404"]
Threat ID: 6a7e0343bf8831d5398f51f4
Added to database: 08/13/2026, 17:47:47 UTC
Last enriched: 08/13/2026, 17:50:13 UTC
Last updated: 09/10/2026, 19:38:44 UTC
Views: 14
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