Summary
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Products covered
System.Formats.Cbor on .NET 10.0 installed on Windows
System.Formats.Cbor on .NET 10.0 installed on Linux
System.Formats.Cbor on .NET 10.0 installed on Mac OS
System.Formats.Cbor on .NET 8.0 installed on Windows
System.Formats.Cbor on .NET 8.0 installed on Linux
System.Formats.Cbor on .NET 8.0 installed on Mac OS
System.Formats.Cbor on .NET 9.0 installed on Windows
System.Formats.Cbor on .NET 9.0 installed on Linux
Show 3 more products
System.Formats.Cbor on .NET 9.0 installed on Mac OS
Microsoft Visual Studio 2026 version 18.10
Microsoft Visual Studio 2022 version 17.14
Remediation
Release Notes
Vendor-listed fixes
10.0.13
8.0.1
9.0.21
18.10.4
17.14.42
CVEs in this advisory 1
What changed in later vendor updates
SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.
- The vendor changed the advisory's last-updated date.
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- Confirmed at the source
Our collector saw this advisory during a later source check.