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Package "dotnet11"

Name: dotnet11

Description:

.NET CLI tools and runtime

Latest version: 11.0.100-11.0.0~rc2-0ubuntu1~26.10.1
Release: stonking (26.10)
Level: security
Repository: universe
Homepage: https://dot.net

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Changelog

Version: 11.0.100-11.0.0~rc2-0ubuntu1~26.10.1 2026-10-20 08:07:53 UTC

dotnet11 (11.0.100-11.0.0~rc2-0ubuntu1~26.10.1) stonking-security; urgency=medium

  * New upstream release
  * SECURITY UPDATE: remote code execution
    - CVE-2026-102870: The Blazor WebAssembly debug proxy embeds
      attacker-controlled ToString(), description, and class-name values into
      generated C# without consistently escaping them. When a developer
      evaluates an expression while debugging, the value can escape the
      generated string literal and execute code on the developer's machine.
  * SECURITY UPDATE: denial of service
    - CVE-2026-58280: Signed XML fixes add input-depth and operation-count
      limits, prohibit DTD processing by default, validate entity references,
      bound encrypted-data candidate processing, and cap attributes and
      namespaces used by C14N transforms.
  * SECURITY UPDATE: information disclosure
    - CVE-2026-66822: SocketsHttpHandler can retain a Proxy-Authorization
      header across an HTTP redirect and leak basic proxy credentials to the
      destination server.
  * SECURITY UPDATE: denial of service
    - CVE-2026-69651: Signed XML fixes add input-depth and operation-count
      limits, prohibit DTD processing by default, validate entity references,
      bound encrypted-data candidate processing, and cap attributes and
      namespaces used by C14N transforms.
  * SECURITY UPDATE: denial of service
    - CVE-2026-70159: SignalR stateful reconnect clients can indefinitely block
      broadcasts through MessageBuffer.ResendAsync backpressure and retain
      associated resources.
  * SECURITY UPDATE: security feature bypass
    - CVE-2026-70183: A stale asynchronous authorization result in Blazor
      AuthorizeRouteView can be applied after navigation or an
      authorization-state change, bypassing the current [Authorize] decision.
  * SECURITY UPDATE: security feature bypass
    - CVE-2026-70188: Kestrel accepts newline characters in HTTP/2 request
      trailers and values retrieved from the dynamic HPACK table instead of
      treating them as malformed.
  * SECURITY UPDATE: security feature bypass
    - CVE-2026-70194: .NET 11 post-handshake TLS client authentication can fail
      to verify the client certificate, allowing mutual-authentication
      requirements to be bypassed.
  * SECURITY UPDATE: denial of service
    - CVE-2026-84008: SignedCms.CheckSignature can repeatedly reparse
      attacker-controlled X.509 data, causing unauthenticated quadratic CPU
      exhaustion.
  * SECURITY UPDATE: information disclosure
    - CVE-2026-88092: An aborted Kestrel HTTP/1 connection can reparse unread
      request-body bytes as another request, creating a request-smuggling or
      desynchronization path.
  * SECURITY UPDATE: denial of service
    - CVE-2026-92707: SignalR's MessagePack protocol can consume excessive
      memory while deserializing deeply nested attacker-controlled arrays,
      resulting in unauthenticated remote denial of service.
  * SECURITY UPDATE: elevation of privilege
    - CVE-2026-96225: Unix named-mutex and shared-memory paths can be
      manipulated through insecure global directories, symlink races, and
      unsafe permission changes, allowing local attackers to truncate or
      overwrite files, widen directory permissions, or elevate privileges.
  * SECURITY UPDATE: remote code execution
    - CVE-2026-96230: The Blazor WebAssembly development-server debug page can
      reflect unencoded exception text, allowing cross-origin script injection
      through the unauthenticated /_framework/debug endpoint used by dotnet
      watch.
  * SECURITY UPDATE: elevation of privilege
    - CVE-2026-96231: Unix named-mutex and shared-memory paths can be
      manipulated through insecure global directories, symlink races, and
      unsafe permission changes, allowing local attackers to truncate or
      overwrite files, widen directory permissions, or elevate privileges.
  * SECURITY UPDATE: denial of service
    - CVE-2026-96233: DateTime Hebrew-number parsing can read outside expected
      stack bounds and terminate the process.
  * SECURITY UPDATE: denial of service
    - CVE-2026-96236: ASP.NET Core request-localization fallback can add
      attacker-supplied synthetic culture names to the runtime's global cache,
      allowing unauthenticated requests to cause unbounded memory growth and
      denial of service.
  * SECURITY UPDATE: security feature bypass
    - CVE-2026-96238: dotnet new install can acquire a template package from a
      feed that is not permitted by NuGet Package Source Mapping, bypassing the
      configured feed trust boundary.
  * SECURITY UPDATE: security feature bypass
    - CVE-2026-96957: Signature verification for .NET file-based apps can fail
      to enforce the expected trust decision.
  * SECURITY UPDATE: denial of service
    - CVE-2026-96958: Signed XML fixes add input-depth and operation-count
      limits, prohibit DTD processing by default, validate entity references,
      bound encrypted-data candidate processing, and cap attributes and
      namespaces used by C14N transforms.
  * SECURITY UPDATE: denial of service
    - CVE-2026-96959: Signed XML fixes add input-depth and operation-count
      limits, prohibit DTD processing by default, validate entity references,
      bound encrypted-data candidate processing, and cap attributes and
      namespaces used by C14N transforms.
  * SECURITY UPDATE: denial of service
    - CVE-2026-96960: Signed XML fixes add input-depth and operation-count
      limits, prohibit DTD processing by default, validate entity references,
      bound encrypted-data candidate processing, and cap attributes and
      namespaces used by C14N transforms.
  * d/p/0009-fix-cecil-writecompressedint32-big-endian.patch: dropped because
    it was included upstream.
  * d/p/0010-fix-cli-forwarding-paths-nativeaot.patch: dropped because it was
    included upstream.
  * d/t/regular-tests/debugging-via-dotnet-dump/test.sh: accept the DA

CVE-2026-102870 Improper control of generation of code ('code injection') in ASP.NET Core allows an unauthorized attacker to execute code over a network.
CVE-2026-58280 Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-66822 Insertion of sensitive information into sent data in .NET allows an unauthorized attacker to disclose information over a network.
CVE-2026-69651 Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-70159 Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2026-70183 Concurrent execution using shared resource with improper synchronization ('race condition') in ASP.NET Core allows an authorized attacker to elevate
CVE-2026-70188 Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security
CVE-2026-70194 Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-84008 Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-88092 Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering
CVE-2026-92707 MessagePack for C# is a MessagePack serializer for C#. Prior to 2.5.303 and 3.1.9, deserializing attacker-controlled MessagePack data as System.Objec
CVE-2026-96225 Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
CVE-2026-96230 Improper neutralization of input during web page generation ('cross-site scripting') in ASP.NET Core allows an unauthorized attacker to execute code
CVE-2026-96231 Improper link resolution before file access ('link following') in .NET allows an authorized attacker to elevate privileges locally.
CVE-2026-96233 Out-of-bounds write in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2026-96236 Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2026-96238 Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-96957 Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-96958 Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-96959 Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-96960 Asymmetric resource consumption (amplification) in .NET allows an unauthorized attacker to deny service over a network.



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