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dotnet8.0 vulnerabilities

Vulnerabilities published for dotnet8.0 in the last 30 days: 1. Listed in the KEV catalogue: 0.

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Vulnerabilities: 11

  1. RLSA-2026:86168

    Critical · CVSS 9.4Fix available

    Critical: .NET 8.0 security, bug fix, and enhancement update

    .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 8.0.132 Runtime version: 8.0.32 Security Fix(es): * dotnet10.0: dotnet9.0: dotnet: dotnet8.0: .NET Denial of Service Vulnerability (CVE-2026-58280) * dotnet10.0: dotnet8.0: dotnet9.0: dotnet: .NET Information Disclosure Vulnerability (CVE-2026-6682

    dotnet8.0Operating systems
    • Update to 0:8.0.132-1.el10_2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  2. RLSA-2026:67525

    Medium · CVSS 6.5Fix available

    Moderate: .NET 8.0 security, bug fix, and enhancement update

    .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 8.0.131 Runtime version: 8.0.31 Security Fix(es): * dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability (CVE-2026-58649) Bug Fix(es) and Enhancement(s): * Update .NET 8.0 to SDK 8.0.131 and Runtime 8.0.31 [rhel-10.2.z] (JIR

    dotnet8.0Operating systems
    • Update to 0:8.0.131-1.el10_2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  3. RLSA-2026:54541

    High · CVSS 7.8Fix available

    Important: .NET 8.0 security, bug fix, and enhancement update

    .NET is a fast, lightweight and modular platform for creating cross platform applications that work on Linux, macOS and Windows. It particularly focuses on creating console applications, web applications and micro-services. .NET contains a runtime conforming to .NET Standards a set of framework libraries, an SDK containing compilers and a 'dotnet' application to drive everything. SDK version: 8.0.130 Runtime version: 8.0.30 Security Fix(es): * .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899) * .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900) * .NET: .NET Denial of Service Vulnerability (CVE-2

    dotnet8.0Operating systems
    • Update to 0:8.0.130-1.el10_2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  4. RLSA-2026:41893

    High · CVSS 8.8Fix available

    Important: .NET 8.0 security, bug fix, and enhancement update

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.129 and .NET Runtime 8.0.29. Security Fix(es): * dotnet: SocketsHttpHandler Http2Connection - HTTP/2 SETTINGS/PING ACK flood causing OOM (CVE-2026-50651) * dotnet: .NET Core: Denial of Service via type confusion (CVE-2026-57108) * ASP.NET Core: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-56170) * ASP.NET Core: ASP.NET Core: Privilege Escalatio

    dotnet8.0Operating systems
    • Update to 0:8.0.129-1.el10_2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  5. RLSA-2026:25111

    High · CVSS 7.5Fix available

    Important: .NET 8.0 security update

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.128 and .NET Runtime 8.0.28.Security Fix(es): * dotnet: .NET: Local file tampering via link following vulnerability (CVE-2026-45491) * dotnet: ASP.NET Core: Denial of Service via uncontrolled resource consumption (CVE-2026-45591) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(

    dotnet8.0Operating systems
    • Update to 0:8.0.128-1.el10_2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  6. RLSA-2026:21286

    High · CVSS 7.5Fix available

    Important: .NET 8.0 security update

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.127 and .NET Runtime 8.0.27.Security Fix(es): * serialize-javascript: serialize-javascript: Denial of Service via specially crafted array-like object serialization (CVE-2026-34043) * dotnet: .NET: infinite loop allows an attacker to cause a denial of service (CVE-2026-42899) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and oth

    dotnet8.0Operating systems
    • Update to 0:8.0.127-1.el10_2
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  7. RLSA-2026:8470

    High · CVSS 7.5Fix available

    Important: .NET 8.0 security update

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.126 and .NET Runtime 8.0.26.Security Fix(es): * dotnet: .NET: Security Bypass and Denial of Service Vulnerability (CVE-2026-26171) * dotnet: .NET: Denial of Service via stack overflow (CVE-2026-32203) * dotnet: .NET: Denial of Service via Infinite Recursion in XmlDecryptionTransform (CVE-2026-33116) * dotnet: Dotnet: SMTP Command Injection and Header Injection via MailAddress pa

    dotnet8.0Operating systems
    • Update to 0:8.0.126-1.el10_1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  8. RLSA-2026:4451

    High · CVSS 7.5Fix available

    Important: .NET 8.0 security update

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.125 and .NET Runtime 8.0.25.Security Fix(es): * asp.net: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-26130) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    dotnet8.0Operating systems
    • Update to 0:8.0.125-1.el10_1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  9. RLSA-2025:18152

    High · CVSS 8.5Fix available

    Important: .NET 8.0 security update

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.121 and .NET Runtime 8.0.21.Security Fix(es): * dotnet: .NET Information Disclosure Vulnerability (CVE-2025-55248) * dotnet: .NET Security Feature Bypass Vulnerability (CVE-2025-55315) * dotnet: .NET Denial of Service Vulnerability (CVE-2025-55247) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, re

    dotnet8.0Operating systems
    • Update to 0:8.0.121-1.el10_0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  10. RLSA-2025:8814

    High · CVSS 7.5Fix available

    Important: .NET 8.0 security update

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.117 and .NET Runtime 8.0.17.Security Fix(es): * dotnet: .NET Remote Code Vulnerability (CVE-2025-30399) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    dotnet8.0Operating systems
    • Update to 0:8.0.117-1.el10_0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

  11. RLSA-2025:7599

    High · CVSS 8Fix available

    Important: .NET 8.0 security update

    .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.116 and .NET Runtime 8.0.16.Security Fix(es): * dotnet: .NET and Visual Studio Spoofing Vulnerability (CVE-2025-26646) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    dotnet8.0Operating systems
    • Update to 0:8.0.116-1.el10_0
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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