medium5.9
CVE-2026-69304
Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Impact
Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Microsoft.AspNetCore.Server.IISIntegration | >= 11.0.0-preview.1, < 11.0.0-rc.1 | 11.0.0-rc.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Asp.Net Core | from 8.0.0 before 8.0.28 from 9.0.0 before 9.0.17 from 10.0.0 before 10.0.9 after 11.0.0 Version 11.0 |
| Microsoft | Visual Studio 2022 | from 17.14.0 before 17.14.40 |
| Microsoft | Visual Studio 2026 | from 18.9.0 before 18.9.3 |
| Microsoft | .Net | from 8.0.0 before 8.0.31 from 9.0.0 before 9.0.20 from 10.0.0 before 10.0.12 |