diff --git a/release-notes/10.0/known-issues.md b/release-notes/10.0/known-issues.md
index f68cd992cb..3337704c06 100644
--- a/release-notes/10.0/known-issues.md
+++ b/release-notes/10.0/known-issues.md
@@ -89,3 +89,9 @@ SDK and runtime installers for macOS install a `createdump` binary that lacks th
 
 - Add the executable bit to `shared/Microsoft.NETCore.App/10.0.0/createdump` manually using `chmod +x`
 - Use another runtime hosting mechanism (self-contained app, use a tarball installation of the runtime/SDK)
+
+## Debian 13 packages work but display TAR header warnings
+
+.NET 10.0 packages for Debian 13 (Trixie) are functional and install successfully. However, during installation, users may see multiple warnings like `W: Unknown TAR header type 120`. These warnings are cosmetic and do not affect the functionality of the installed .NET SDK or runtime. We are actively working to resolve these warnings in a future update.
+
+For installation instructions, see [Install .NET on Debian](https://learn.microsoft.com/dotnet/core/install/linux-debian).