USN-8641-1
- Source
- https://ubuntu.com/security/notices/USN-8641-1
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8641-1.json
- JSON Data
- https://api.osv.dev/v1/vulns/USN-8641-1
- Upstream
- Related
- Published
- 2026-08-18T15:02:43Z
- Modified
- 2026-08-19T13:47:20Z
- Summary
- dotnet8, dotnet10 vulnerabilities
- Details
-
Miha Zupan discovered that .NET did not properly interpret certain HTTP requests. An attacker could possibly use this issue to perform request smuggling and bypass a security feature. (CVE-2026-62899)
Ivan Demchuk discovered that .NET did not properly handle the removal of sensitive information before storage or transfer. An attacker could possibly use this issue to disclose sensitive information. (CVE-2026-62900)
Kevin Gosse discovered that .NET did not properly check an input for a loop condition. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-62901)
Kevin Gosse discovered that .NET did not properly perform error checking when securing shared resources used for diagnostics IPC. An attacker could possibly use this issue to elevate privileges. (CVE-2026-62909)
- References
Affected packages
Ubuntu:22.04:LTS / dotnet8
Package
- Name
- dotnet8
- Purl
- pkg:deb/ubuntu/dotnet8?arch=source&distro=jammy
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed8.0.130-8.0.30-0ubuntu1~22.04.1
Affected versions
8.*
8.0.102-8.0.2-0ubuntu1~22.04.1
8.0.103-8.0.3-0ubuntu1~22.04.1
8.0.103-8.0.3-0ubuntu1~22.04.2
8.0.105-8.0.5-0ubuntu1~22.04.1
8.0.107-8.0.7-0ubuntu1~22.04.1
8.0.108-8.0.8-0ubuntu1~22.04.1
8.0.110-8.0.10-0ubuntu1~22.04.1
8.0.111-8.0.11-0ubuntu1~22.04.1
8.0.112-8.0.12-0ubuntu1~22.04.1
8.0.114-8.0.14-0ubuntu1~22.04.1
8.0.115-8.0.15-0ubuntu1~22.04.1
8.0.116-8.0.16-0ubuntu1~22.04.1
8.0.117-8.0.17-0ubuntu1~22.04.1
8.0.118-8.0.18-0ubuntu1~22.04.1
8.0.119-8.0.19-0ubuntu1~22.04.1
8.0.120-8.0.20-0ubuntu1~22.04.1
8.0.121-8.0.21-0ubuntu1~22.04.1
8.0.122-8.0.22-0ubuntu1~22.04.1
8.0.123-8.0.23-0ubuntu1~22.04.1
8.0.124-8.0.24-0ubuntu1~22.04.1
8.0.125-8.0.25-0ubuntu1~22.04.1
8.0.126-8.0.26-0ubuntu1~22.04.1
8.0.127-8.0.27-0ubuntu1~22.04.1
8.0.128-8.0.28-0ubuntu1~22.04.1
8.0.129-8.0.29-0ubuntu1~22.04.1
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "aspnetcore-runtime-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "aspnetcore-runtime-dbg-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "aspnetcore-targeting-pack-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-apphost-pack-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-host-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-hostfxr-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-runtime-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-runtime-dbg-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-sdk-8.0",
"binary_version": "8.0.130-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-sdk-8.0-source-built-artifacts",
"binary_version": "8.0.130-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-sdk-dbg-8.0",
"binary_version": "8.0.130-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-targeting-pack-8.0",
"binary_version": "8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet-templates-8.0",
"binary_version": "8.0.130-0ubuntu1~22.04.1"
},
{
"binary_name": "dotnet8",
"binary_version": "8.0.130-8.0.30-0ubuntu1~22.04.1"
},
{
"binary_name": "netstandard-targeting-pack-2.1-8.0",
"binary_version": "8.0.130-0ubuntu1~22.04.1"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2026-62899",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62900",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62901",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62909",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8641-1.json"
Ubuntu:24.04:LTS / dotnet10
Package
- Name
- dotnet10
- Purl
- pkg:deb/ubuntu/dotnet10?arch=source&distro=noble
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed10.0.111-10.0.11-0ubuntu1~24.04.1
Affected versions
10.*
10.0.100-10.0.0-0ubuntu1~24.04.1
10.0.101-10.0.1-0ubuntu1~24.04.2
10.0.103-10.0.3-0ubuntu1~24.04.1
10.0.104-10.0.4-0ubuntu1~24.04.1
10.0.105-10.0.5-0ubuntu1~24.04.1
10.0.106-10.0.6-0ubuntu1~24.04.1
10.0.107-10.0.7-0ubuntu1~24.04.1
10.0.108-10.0.8-0ubuntu1~24.04.1
10.0.109-10.0.9-0ubuntu1~24.04.1
10.0.110-10.0.10-0ubuntu1~24.04.1
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "aspnetcore-runtime-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "aspnetcore-runtime-dbg-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "aspnetcore-targeting-pack-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-apphost-pack-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-host-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-hostfxr-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-runtime-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-runtime-dbg-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-sdk-10.0",
"binary_version": "10.0.111-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-sdk-10.0-source-built-artifacts",
"binary_version": "10.0.111-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-sdk-aot-10.0",
"binary_version": "10.0.111-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-sdk-dbg-10.0",
"binary_version": "10.0.111-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-targeting-pack-10.0",
"binary_version": "10.0.11-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-templates-10.0",
"binary_version": "10.0.111-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet10",
"binary_version": "10.0.111-10.0.11-0ubuntu1~24.04.1"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2026-62899",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62900",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62901",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62909",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8641-1.json"
Ubuntu:24.04:LTS / dotnet8
Package
- Name
- dotnet8
- Purl
- pkg:deb/ubuntu/dotnet8?arch=source&distro=noble
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed8.0.130-8.0.30-0ubuntu1~24.04.1
Affected versions
8.*
8.0.100-8.0.0~rc1-0ubuntu1
8.0.100-8.0.0~rc2-0ubuntu1
8.0.100-8.0.0~rc2-0ubuntu2
8.0.100-8.0.0-0ubuntu1
8.0.100-8.0.0-0ubuntu2
8.0.101-8.0.1-0ubuntu1
8.0.101-8.0.1-0ubuntu2
8.0.102-8.0.2-0ubuntu1
8.0.103-8.0.3-0ubuntu2
8.0.103-8.0.3-0ubuntu3
8.0.104-8.0.4-0ubuntu1
8.0.105-8.0.5-0ubuntu1~24.04.1
8.0.107-8.0.7-0ubuntu1~24.04.1
8.0.108-8.0.8-0ubuntu1~24.04.1
8.0.108-8.0.8-0ubuntu1~24.04.2
8.0.110-8.0.10-0ubuntu1~24.04.1
8.0.111-8.0.11-0ubuntu1~24.04.1
8.0.112-8.0.12-0ubuntu1~24.04.1
8.0.114-8.0.14-0ubuntu1~24.04.1
8.0.115-8.0.15-0ubuntu1~24.04.1
8.0.116-8.0.16-0ubuntu1~24.04.1
8.0.117-8.0.17-0ubuntu1~24.04.1
8.0.118-8.0.18-0ubuntu1~24.04.1
8.0.119-8.0.19-0ubuntu1~24.04.1
8.0.120-8.0.20-0ubuntu1~24.04.1
8.0.121-8.0.21-0ubuntu1~24.04.1
8.0.122-8.0.22-0ubuntu1~24.04.1
8.0.123-8.0.23-0ubuntu1~24.04.1
8.0.124-8.0.24-0ubuntu1~24.04.1
8.0.125-8.0.25-0ubuntu1~24.04.1
8.0.126-8.0.26-0ubuntu1~24.04.1
8.0.127-8.0.27-0ubuntu1~24.04.1
8.0.128-8.0.28-0ubuntu1~24.04.1
8.0.129-8.0.29-0ubuntu1~24.04.1
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "aspnetcore-runtime-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "aspnetcore-runtime-dbg-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "aspnetcore-targeting-pack-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-apphost-pack-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-host-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-hostfxr-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-runtime-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-runtime-dbg-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-sdk-8.0",
"binary_version": "8.0.130-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-sdk-8.0-source-built-artifacts",
"binary_version": "8.0.130-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-sdk-dbg-8.0",
"binary_version": "8.0.130-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-targeting-pack-8.0",
"binary_version": "8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet-templates-8.0",
"binary_version": "8.0.130-0ubuntu1~24.04.1"
},
{
"binary_name": "dotnet8",
"binary_version": "8.0.130-8.0.30-0ubuntu1~24.04.1"
},
{
"binary_name": "netstandard-targeting-pack-2.1-8.0",
"binary_version": "8.0.130-0ubuntu1~24.04.1"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2026-62899",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62900",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62901",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62909",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:24.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8641-1.json"
Ubuntu:26.04:LTS / dotnet10
Package
- Name
- dotnet10
- Purl
- pkg:deb/ubuntu/dotnet10?arch=source&distro=resolute
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed10.0.111-10.0.11-0ubuntu1~26.04.1
Affected versions
10.*
10.0.100-10.0.0~rc1-0ubuntu1
10.0.100-10.0.0~rc2-0ubuntu1
10.0.100-10.0.0-0ubuntu1
10.0.100-10.0.0-0ubuntu2
10.0.101-10.0.1-0ubuntu1
10.0.101-10.0.1-0ubuntu2
10.0.101-10.0.1-0ubuntu3
10.0.102-10.0.2-0ubuntu1
10.0.103-10.0.3-0ubuntu1
10.0.104-10.0.4-0ubuntu1
10.0.105-10.0.5-0ubuntu1
10.0.107-10.0.7-0ubuntu1~26.04.1
10.0.108-10.0.8-0ubuntu1~26.04.1
10.0.109-10.0.9-0ubuntu1~26.04.1
10.0.110-10.0.10-0ubuntu1~26.04.1
Ecosystem specific
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "aspnetcore-runtime-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "aspnetcore-runtime-dbg-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "aspnetcore-targeting-pack-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-apphost-pack-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-host-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-hostfxr-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-runtime-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-runtime-dbg-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-sdk-10.0",
"binary_version": "10.0.111-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-sdk-10.0-source-built-artifacts",
"binary_version": "10.0.111-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-sdk-aot-10.0",
"binary_version": "10.0.111-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-sdk-dbg-10.0",
"binary_version": "10.0.111-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-targeting-pack-10.0",
"binary_version": "10.0.11-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet-templates-10.0",
"binary_version": "10.0.111-0ubuntu1~26.04.1"
},
{
"binary_name": "dotnet10",
"binary_version": "10.0.111-10.0.11-0ubuntu1~26.04.1"
}
]
}
Database specific
cves_map
{
"cves": [
{
"id": "CVE-2026-62899",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62900",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62901",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2026-62909",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:26.04:LTS"
}
source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8641-1.json"