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UBUNTU-CVE-2026-69304

Type: advisorySource: OSV1 source record

Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Announced Group revision 1
Original source ↗

UBUNTU-CVE-2026-69304

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:UBUNTU-CVE-2026-69304

dotnet7

Source reference: /affected/0/package/name

Affected versions
7.0.105-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.107-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.108-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.109-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.110-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.111-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.112-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.113-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.114-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.115-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.116-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.117-0ubuntu1~22.04.1

Source reference: /affected/0/versions

7.0.117-0ubuntu1~22.04.2

Source reference: /affected/0/versions

7.0.119-0ubuntu1~22.04.1

Source reference: /affected/0/versions

Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "dotnet7",
      "purl": "pkg:deb/ubuntu/dotnet7?arch=source&distro=jammy",
      "ecosystem": "Ubuntu:22.04:LTS"
    },
    "versions": [
      "7.0.105-0ubuntu1~22.04.1",
      "7.0.107-0ubuntu1~22.04.1",
      "7.0.108-0ubuntu1~22.04.1",
      "7.0.109-0ubuntu1~22.04.1",
      "7.0.110-0ubuntu1~22.04.1",
      "7.0.111-0ubuntu1~22.04.1",
      "7.0.112-0ubuntu1~22.04.1",
      "7.0.113-0ubuntu1~22.04.1",
      "7.0.114-0ubuntu1~22.04.1",
      "7.0.115-0ubuntu1~22.04.1",
      "7.0.116-0ubuntu1~22.04.1",
      "7.0.117-0ubuntu1~22.04.1",
      "7.0.117-0ubuntu1~22.04.2",
      "7.0.119-0ubuntu1~22.04.1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-69304.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "aspnetcore-runtime-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "aspnetcore-targeting-pack-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet-apphost-pack-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet-host-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet-hostfxr-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet-runtime-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet-sdk-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet-sdk-7.0-source-built-artifacts",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet-targeting-pack-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet-templates-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "dotnet7",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        },
        {
          "binary_name": "netstandard-targeting-pack-2.1-7.0",
          "binary_version": "7.0.119-0ubuntu1~22.04.1"
        }
      ]
    }
  }
]
Related CVEs
CVE-2026-69304

Source reference: /upstream

Publisher severity

medium

Source reference: /severity/0/score

Linked CVE context

These ratings describe the referenced vulnerabilities and products. They are not a severity rating for every application using this dependency.

CVE-2026-69304 · Medium

.NET 10.0, .NET 8.0, .NET 9.0, ASP.NET Core 10.0, ASP.NET Core 11.0, ASP.NET Core 8.0, ASP.NET Core 9.0, Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.9

CVE-2026-69304 · Medium

aspnet-core

CVE-2026-69304 · Medium

dotnet

CVE-2026-69304 · Medium

dotnet-sdk

Event
#68030 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement

Revision history

  1. UBUNTU-CVE-2026-69304 · Revision 1Source updated