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alsa-2026:67528
Vulnerability from osv_almalinux
Published
2026-09-15 00:00
Modified
2026-09-16 11:32
Summary
Important: .NET 9.0 security, bug fix, and enhancement update
Details

.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: 9.0.121
Runtime version: 9.0.20

Security Fix(es):

  • dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability (CVE-2026-58649)
  • dotnet10.0: dotnet9.0: .NET Elevation of Privilege Vulnerability (CVE-2026-69806)

Bug Fix(es) and Enhancement(s):

  • Update .NET 9.0 to SDK 9.0.121 and Runtime 9.0.20 [almalinux-10.2.z] (JIRA:AlmaLinux-252279)

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.


{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "aspnetcore-runtime-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.20-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "aspnetcore-runtime-dbg-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.20-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "aspnetcore-targeting-pack-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.20-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-apphost-pack-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.20-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-hostfxr-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.20-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-runtime-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.20-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-runtime-dbg-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.20-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-sdk-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.121-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-sdk-9.0-source-built-artifacts"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.121-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-sdk-aot-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.121-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-sdk-dbg-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.121-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-targeting-pack-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.20-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "dotnet-templates-9.0"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.121-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "netstandard-targeting-pack-2.1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.121-1.el10_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": ".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 \u0027dotnet\u0027 application to drive everything.  \n\nSDK version: 9.0.121  \nRuntime version: 9.0.20  \n\nSecurity Fix(es):  \n\n  * dotnet10.0: dotnet9.0: dotnet8.0: .NET Information Disclosure Vulnerability (CVE-2026-58649)\n  * dotnet10.0: dotnet9.0: .NET Elevation of Privilege Vulnerability (CVE-2026-69806)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * Update .NET 9.0 to SDK 9.0.121 and Runtime 9.0.20 [almalinux-10.2.z] (JIRA:AlmaLinux-252279)\n\n\nFor 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.\n",
  "id": "ALSA-2026:67528",
  "modified": "2026-09-16T11:32:07Z",
  "published": "2026-09-15T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:67528"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-58649"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-69806"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2528870"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2528921"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/10/ALSA-2026-67528.html"
    }
  ],
  "related": [
    "CVE-2026-58649",
    "CVE-2026-69806"
  ],
  "summary": "Important: .NET 9.0 security, bug fix, and enhancement update"
}



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