Issues

DynamicMethod with a function pointer parameter, return type or local throws NotSupportedException on .NET 11

dotnet/runtime#136453 · opened

on Oct 25, 2026

1

DispatchProxy: calling a method with a non-null pointer argument throws NullReferenceException

dotnet/runtime#136451 · opened

on Oct 25, 2026

1

TypeBuilder (AssemblyBuilderAccess.Run) throws NotSupportedException for signatures that contain modified types

dotnet/runtime#136449 · opened

on Oct 25, 2026

1

[mono] Taking the address of an [UnmanagedCallersOnly] method that returns a function pointer aborts the process ("return type 0x1b unknown")

dotnet/runtime#136448 · opened

on Oct 25, 2026

Microsoft Security Advisory CVE-2026-111497 | .NET Brotli Decoder Out-of-bounds Write Vulnerability

dotnet/runtime#136446 · opened

on Oct 25, 2026

1

Microsoft Security Advisory CVE-2026-70197 | .NET and Visual Studio Remote Code Execution Vulnerability | October 25, 2026 OOB update

dotnet/runtime#136445 · opened

on Oct 25, 2026

1

macOS SslStream (UseNetworkFramework): NullReferenceException in SafeDeleteNwContext write-completion callback after Dispose aborts the process when the peer closes during writes

dotnet/runtime#136439 · opened

on Oct 25, 2026

1

Channel.CreateUnbounded(SingleReader = true): Reader.Completion can stay pending forever when the last TryRead races TryComplete

dotnet/runtime#136437 · opened

on Oct 25, 2026

1

[API Proposal]: Bounded-nonnegative `ArgumentOutOfRangeException` throw helpers

dotnet/runtime#136434 · opened

on Oct 25, 2026

4

GetILFunctionBody fails with COR_E_BADIMAGEFORMAT for a method edited by Hot Reload (regression in .NET 11)

dotnet/runtime#136432 · opened

on Oct 25, 2026

1

GC.AddMemoryPressure ends an active NoGC region on NativeAOT (but not on CoreCLR)

dotnet/runtime#136426 · opened

on Oct 24, 2026

4

Does CVE-2026-111497 affect System.IO.Compression.Brotli in .NET 9 and 10?

dotnet/runtime#136422 · opened

on Oct 24, 2026

7

Tensor<T>.Unsqueeze(1) fails with 1-row 1D input

dotnet/runtime#136420 · opened

on Oct 24, 2026

2

Profiling API: no notification that a thread is running a debugger func-eval

dotnet/runtime#136419 · opened

on Oct 24, 2026

1

System.Net.Http: observable http.client.active_requests / open_connections leak two instruments per handler (regression from #131275)

dotnet/runtime#136418 · opened

on Oct 24, 2026

1

JIT: Dead code not removed after inlining - manual inline needed

dotnet/runtime#136417 · opened

on Oct 24, 2026

· Future

2

ILLink removes Monitor.Exit from async finally after empty filtered catch (.NET 10)

dotnet/runtime#136414 · opened

on Oct 24, 2026

2

[arm64] GC hole: JIT must kill the destination register right after adrp

dotnet/runtime#136411 · opened

on Oct 24, 2026

1

[API Proposal]: Extend configuration binding for delimited values

dotnet/runtime#136409 · opened

on Oct 24, 2026

1

[ci-scan] Test failure: System.Net.Http.WinHttpHandlerUnitTests.WinHttpHandlerTest.SendAsync_UseNoProxy_ExpectedWinHttpProxySettings

dotnet/runtime#136386 · opened

on Oct 23, 2026

1

Backport "Handle ILLink origins before first sequence point" (#129869) to release/10.0

dotnet/runtime#136383 · opened

on Oct 23, 2026

2

Reduce ReadyToRun size by sharing equivalent import cells and fixup signatures

dotnet/runtime#136378 · opened

on Oct 23, 2026

3

JIT: explicit tail call to `Invoke` on a stack-allocated delegate passes the delegate's `_target` to the tailcall helpers (access violation, .NET 10)

dotnet/runtime#136373 · opened

on Oct 23, 2026

· 12.0.0

1

[System.Formats.Tar] Consider adding fuzzing for TarReader

dotnet/runtime#136371 · opened

on Oct 23, 2026

[System.Net] Consider expanding fuzzing coverage for managed network parsers

dotnet/runtime#136369 · opened

on Oct 23, 2026

1

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Issues

DynamicMethod with a function pointer parameter, return type or local throws NotSupportedException on .NET 11

DispatchProxy: calling a method with a non-null pointer argument throws NullReferenceException

TypeBuilder (AssemblyBuilderAccess.Run) throws NotSupportedException for signatures that contain modified types

[mono] Taking the address of an [UnmanagedCallersOnly] method that returns a function pointer aborts the process ("return type 0x1b unknown")

Microsoft Security Advisory CVE-2026-111497 | .NET Brotli Decoder Out-of-bounds Write Vulnerability

Microsoft Security Advisory CVE-2026-70197 | .NET and Visual Studio Remote Code Execution Vulnerability | October 25, 2026 OOB update

macOS SslStream (UseNetworkFramework): NullReferenceException in SafeDeleteNwContext write-completion callback after Dispose aborts the process when the peer closes during writes

Channel.CreateUnbounded(SingleReader = true): Reader.Completion can stay pending forever when the last TryRead races TryComplete

[API Proposal]: Bounded-nonnegative `ArgumentOutOfRangeException` throw helpers

GetILFunctionBody fails with COR_E_BADIMAGEFORMAT for a method edited by Hot Reload (regression in .NET 11)

GC.AddMemoryPressure ends an active NoGC region on NativeAOT (but not on CoreCLR)

Does CVE-2026-111497 affect System.IO.Compression.Brotli in .NET 9 and 10?

Tensor<T>.Unsqueeze(1) fails with 1-row 1D input

Profiling API: no notification that a thread is running a debugger func-eval

System.Net.Http: observable http.client.active_requests / open_connections leak two instruments per handler (regression from #131275)

JIT: Dead code not removed after inlining - manual inline needed

ILLink removes Monitor.Exit from async finally after empty filtered catch (.NET 10)

[arm64] GC hole: JIT must kill the destination register right after adrp

[API Proposal]: Extend configuration binding for delimited values

[ci-scan] Test failure: System.Net.Http.WinHttpHandlerUnitTests.WinHttpHandlerTest.SendAsync_UseNoProxy_ExpectedWinHttpProxySettings

Backport "Handle ILLink origins before first sequence point" (#129869) to release/10.0

Reduce ReadyToRun size by sharing equivalent import cells and fixup signatures

JIT: explicit tail call to `Invoke` on a stack-allocated delegate passes the delegate's `_target` to the tailcall helpers (access violation, .NET 10)

[System.Formats.Tar] Consider adding fuzzing for TarReader

[System.Net] Consider expanding fuzzing coverage for managed network parsers