Red Hat Security Advisory: .NET 8.0 security update
.NET 8.0 for Red Hat Enterprise Linux has security vulnerabilities that allow denial of service attacks in the SignalR server component and the X509Certificate2 class. Red Hat has released updated versions .NET SDK 8.0.102 and .NET Runtime 8.0.2 to address these issues. The vulnerabilities are identified as CVE-2024-21386 and CVE-2024-21404. These issues affect multiple Red Hat Enterprise Linux 8 variants and related products. The update is rated as Important by Red Hat Product Security.
AI Analysis
Technical Summary
Two denial of service vulnerabilities exist in .NET 8.0 components used in Red Hat Enterprise Linux 8. CVE-2024-21386 affects the SignalR server, and CVE-2024-21404 affects the X509Certificate2 class. These vulnerabilities could allow an attacker to cause a denial of service condition. Red Hat has released patched versions: .NET SDK 8.0.102 and .NET Runtime 8.0.2, which fix these issues. The advisory references Red Hat Enterprise Linux 8 distributions on multiple architectures including x86_64, s390x, ppc64le, and aarch64. No CVSS score is provided in the advisory, but Red Hat rates the update as Important.
Potential Impact
Successful exploitation of these vulnerabilities could result in denial of service conditions in applications using the affected .NET components on Red Hat Enterprise Linux 8. This could disrupt service availability but does not indicate code execution or data compromise. The impact is limited to service interruption.
Mitigation Recommendations
Red Hat has released official updates to .NET SDK (8.0.102) and .NET Runtime (8.0.2) that address these denial of service vulnerabilities. Users should apply these updates as provided by Red Hat for their respective Red Hat Enterprise Linux 8 systems and related products. Refer to Red Hat advisory RHSA-2024:0827 and https://access.redhat.com/articles/11258 for detailed update instructions. No additional mitigation is indicated beyond applying the official patches.
Red Hat Security Advisory: .NET 8.0 security update
Description
.NET 8.0 for Red Hat Enterprise Linux has security vulnerabilities that allow denial of service attacks in the SignalR server component and the X509Certificate2 class. Red Hat has released updated versions .NET SDK 8.0.102 and .NET Runtime 8.0.2 to address these issues. The vulnerabilities are identified as CVE-2024-21386 and CVE-2024-21404. These issues affect multiple Red Hat Enterprise Linux 8 variants and related products. The update is rated as Important by Red Hat Product Security.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Two denial of service vulnerabilities exist in .NET 8.0 components used in Red Hat Enterprise Linux 8. CVE-2024-21386 affects the SignalR server, and CVE-2024-21404 affects the X509Certificate2 class. These vulnerabilities could allow an attacker to cause a denial of service condition. Red Hat has released patched versions: .NET SDK 8.0.102 and .NET Runtime 8.0.2, which fix these issues. The advisory references Red Hat Enterprise Linux 8 distributions on multiple architectures including x86_64, s390x, ppc64le, and aarch64. No CVSS score is provided in the advisory, but Red Hat rates the update as Important.
Potential Impact
Successful exploitation of these vulnerabilities could result in denial of service conditions in applications using the affected .NET components on Red Hat Enterprise Linux 8. This could disrupt service availability but does not indicate code execution or data compromise. The impact is limited to service interruption.
Mitigation Recommendations
Red Hat has released official updates to .NET SDK (8.0.102) and .NET Runtime (8.0.2) that address these denial of service vulnerabilities. Users should apply these updates as provided by Red Hat for their respective Red Hat Enterprise Linux 8 systems and related products. Refer to Red Hat advisory RHSA-2024:0827 and https://access.redhat.com/articles/11258 for detailed update instructions. No additional mitigation is indicated 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-2024:0827
- Cve Count
- 2
- Additional Cves
- ["CVE-2024-21404"]
Threat ID: 6a7e0343bf8831d5398f51ec
Added to database: 08/13/2026, 17:47:47 UTC
Last enriched: 08/13/2026, 17:50:02 UTC
Last updated: 09/10/2026, 19:38:44 UTC
Views: 12
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