CVE-2022-29145 — Vulnerability in...
HIGH
.NET Denial of Service Vulnerability
Published August 30, 2022Updated June 8, 2026Source: osv
Summary
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 6.0, .NET 5.0 and .NET Core 3.1. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.
A vulnerability exists in .NET 6.0, .NET 5.0 and .NET core 3.1 where a malicious client can can cause a denial of service when HTML forms are parsed.
### Affected software
* Any .NET 6.0 application running on .NET 6.0.4 or earlier.
* Any .NET 5.0 application running .NET 5.0.16 or earlier.
* Any .NET Core 3.1 application running on .NET Core 3.1.24 or earlier.
#### Affected packages
**.NET Core 3.1**
| Package name | Affected version | Patched version |
|---------------------------------------------------|---------------------|---------------|
| Microsoft.AspNetCore.App.Runtime.win-x64 | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-x64 | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.win-x86 | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.osx-x64 | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-arm64 | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-arm | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.win-arm64 | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.win-arm | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >=3.0.0,3.1.24 | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >=3.0.0,3.1.24 | 3.1.25 |
**.NET 5.0**
| Package name | Affected version | Patched version |
|---------------------------------------------------|---------------------|---------------|
| Microsoft.AspNetCore.App.Runtime.win-x64 | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-x64 | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.win-x86 | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.osx-x64 | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-arm64 | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-arm | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.win-arm64 | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.win-arm | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >=5.0.0,5.0.16 | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >=5.0.0,5.0.16 | 5.0.17 |
**.NET 6.0**
| Package name | Affected version | Patched version |
|---------------------------------------------------|---------------------|---------------|
| Microsoft.AspNetCore.App.Runtime.win-x64 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-x64 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.win-x86 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.osx-x64 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-arm64 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-arm | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.win-arm64 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.win-arm | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.osx-arm64 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >=6.0.0,6.0.4 | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >=6.0.0,6.0.4 | 6.0.5 |
### Patches
* If you're using .NET Core 6.0, you should download and install Runtime 6.0.5 or SDK 6.0.105 (for Visual Studio 2022 v17.0) or SDK 6.0.203 (for Visual Studio 2022 v17.1) from https://dotnet.microsoft.com/download/dotnet-core/6.0.
* If you're using .NET 5.0, you should download and install Runtime 5.0.17 or SDK 5.0.214 (for Visual Studio 2019 v16.9) or SDK 5.0.408 (for Visual Studio 2011 v16.11) from https://dotnet.microsoft.com/download/dotnet-core/5.0.
* If you're using .NET Core 3.1, you should download and install Runtime 3.1.25 or SDK 3.1.419 (for Visual Studio 2019 v16.9 or Visual Studio 2011 16.11 or Visual Studio 2022 17.0 or Visual Studio 2022 17.1 ) from https://dotnet.microsoft.com/download/dotnet-core/3.1.
.NET 6.0, .NET 5.0 and .NET Core 3.1 updates are also available from Microsoft Update. To access this either type "Check for updates" in your Windows search, or open Settings, choose Update & Security and then click Check for Updates.
### Other
Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/222
An Issue for this can be found at https://github.com/dotnet/aspnetcore/issues/41609
MSRC details for this can be found at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-29145
Advisory Timeline
- First published August 30, 2022 (1504 days ago).
- Last revised June 8, 2026 — 1378 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-x64 to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-x64 --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-x64 to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-x64 --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-arm to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-arm --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-x64 to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-x64 --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-x64 to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-x64 --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-arm64 to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-arm64 --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.osx-x64 to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.osx-x64 --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-x64 to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-x64 --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-arm to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-arm --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.osx-x64 to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.osx-x64 --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-arm64 to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-arm64 --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-arm to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-arm --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-x86 to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-x86 --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-x86 to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-x86 --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-x64 --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-x64 --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-x86 to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-x86 --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-arm64 to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-arm64 --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-arm to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-arm --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-arm to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-arm --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-x64 to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-x64 --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-arm to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-arm --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.osx-x64 to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.osx-x64 --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.win-arm64 to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.win-arm64 --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-arm --version 5.0.17
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-arm --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-musl-arm to 3.1.25 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-musl-arm --version 3.1.25
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-x64 to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-x64 --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-arm64 to 6.0.5 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-arm64 --version 6.0.5
NuGet
Update Microsoft.AspNetCore.App.Runtime.linux-arm64 to 5.0.17 or laterdotnet add package Microsoft.AspNetCore.App.Runtime.linux-arm64 --version 5.0.17
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (33)
Affects 1 ecosystem: nuget (11).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| Microsoft.AspNetCore.App.Runtime.win-x64 | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-x64 | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.win-arm | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-x64 | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.win-x64 | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-arm64 | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.osx-x64 | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.win-x64 | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-arm | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.osx-x64 | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.win-arm64 | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.win-arm | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.win-x86 | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.win-x86 | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.win-x86 | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.win-arm64 | nuget | 3.1.10, 3.1.11, 3.1.12, 3.1.13 (+16 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-arm | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-arm | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.win-arm | nuget | 3.0.0, 3.0.1, 3.0.2, 3.0.3 (+25 more) | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.osx-x64 | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.win-arm64 | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm | nuget | 5.0.1, 5.0.10, 5.0.11, 5.0.12 (+12 more) | 5.0.17 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-musl-arm | nuget | All versions | 3.1.25 |
| Microsoft.AspNetCore.App.Runtime.linux-x64 | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-arm64 | nuget | 6.0.0, 6.0.1, 6.0.2, 6.0.3 (+1 more) | 6.0.5 |
| Microsoft.AspNetCore.App.Runtime.linux-arm64 | nuget | 5.0.0, 5.0.1, 5.0.10, 5.0.11 (+13 more) | 5.0.17 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-400Uncontrolled Resource ConsumptionMITRE
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-fcg8-mg9g-6hc4WEB
- https://nvd.nist.gov/vuln/detail/CVE-2022-29145ADVISORY
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNXQL7EZORGU4PZCPJ5EPQ4P7IEY3ZZOWEB
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBYSBUDJYQ76HK4TULXVIIPCKK2U6WDBWEB
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W5FPEQ6BTYRGTS6IYCDTZW6YF5HLQ3BYWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNXQL7EZORGU4PZCPJ5EPQ4P7IEY3ZZOWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IBYSBUDJYQ76HK4TULXVIIPCKK2U6WDBWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W5FPEQ6BTYRGTS6IYCDTZW6YF5HLQ3BYWEB
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-29145WEB
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-29145WEB
Frequently Asked Questions
- What is CVE-2022-29145?
- .NET Denial of Service Vulnerability This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
- How do I check if my project is affected by CVE-2022-29145?
- CVE-2022-29145 affects Microsoft.AspNetCore.App.Runtime.win-x64, Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 and Microsoft.AspNetCore.App.Runtime.linux-x64 (and 8 more). Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2022-29145 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
7.5
High exploitability or significant impact. Prioritize remediation within days.
Also Known As
GHSA-fcg8-mg9g-6hc4
BIT-dotnet-2022-29145
BIT-dotnet-sdk-2022-29145
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