# CVE-2019-0982: Denial of service in ASP.NET Core

Source: https://junglewise.ai/threats/cve-2019-0982-denial-of-service-in-asp-net-core  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2019-0982 · Severity: low · CVSS 3 · Published 2022-05-24

Denial of service in ASP.NET Core

Technologies: [Microsoft.AspNetCore.SignalR.Protocols.MessagePack (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-signalr-protocols-messagepack). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2019-0982 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2019-0982 being exploited in the wild.

**How severe is CVE-2019-0982?** Low severity, with a CVSS score of 3, published 24 May 2022.

**Which products and versions are affected?** Microsoft.AspNetCore.SignalR.Protocols.MessagePack (NuGet) ECOSYSTEM:introduced=1.1.0,fixed=1.1.5.

**Is there a fix for CVE-2019-0982?** Yes. Microsoft.AspNetCore.SignalR.Protocols.MessagePack (NuGet): upgrade to 1.1.5 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2019-0982?** Check whether you run Microsoft.AspNetCore.SignalR.Protocols.MessagePack (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Microsoft.AspNetCore.SignalR.Protocols.MessagePack (NuGet): upgrade to 1.1.5 or later

  ```sh
  dotnet add package Microsoft.AspNetCore.SignalR.Protocols.MessagePack --version 1.1.5
  ```


## Affected products

- Microsoft.AspNetCore.SignalR.Protocols.MessagePack (NuGet) ECOSYSTEM:introduced=1.1.0,fixed=1.1.5

## Identifiers

- CVE-2019-0982
- GHSA-4jxx-4qxw-prxm

## Related threats

- [Microsoft ASP.NET Core SignalR MessagePack denial of service](https://junglewise.ai/threats/microsoft-security-advisory-asp-net-core-denial-of-service-023d6971)
- [Microsoft ASP.NET Core uncontrolled resource consumption](https://junglewise.ai/threats/cve-2026-45591-microsoft-asp-net-core-uncontrolled-resource-consumption)