CVE-2026-40894: Memory Allocation with Excessive Size Value

OpenTelemetry dotnet is a dotnet telemetry framework. In OpenTelemetry.Api 0.5.0-beta.2 to 1.15.2 and OpenTelemetry.Extensions.Propagators 1.3.1 to 1.15.2, The implementation details of the baggage, B3 and Jaeger processing code in the OpenTelemetry.Api and OpenTelemetry.Extensions.Propagators...

Denial Of Service (DoS)

OpenTelemetry.Api is vulnerable to Denial of Service DoS. The vulnerability is due to improper handling of tracestate and traceparent headers, allowing an attacker to trigger high CPU usage and degrade application performance...

CVE-2025-27513

OpenTelemetry dotnet is a dotnet telemetry framework. A vulnerability in OpenTelemetry.Api package 1.10.0 to 1.11.1 could cause a Denial of Service DoS when a tracestate and traceparent header is received. Even if an application does not explicitly use trace context propagation, receiving these...

GHSA-VC29-VG52-6643 DoS Vulnerability in TraceContextPropagator.Extract - OpenTelemetry.Api

Impact What kind of vulnerability is it? Who is impacted? A vulnerability in OpenTelemetry.Api package 1.10.0 to 1.11.1 could cause a Denial of Service DoS when a tracestate and traceparent header is received. These versions are used in OpenTelemetry .NET Automatic Instrumentation 1.10.0-beta.1 a...

DoS Vulnerability in TraceContextPropagator.Extract - OpenTelemetry.Api

Impact What kind of vulnerability is it? Who is impacted? A vulnerability in OpenTelemetry.Api package 1.10.0 to 1.11.1 could cause a Denial of Service DoS when a tracestate and traceparent header is received. These versions are used in OpenTelemetry .NET Automatic Instrumentation 1.10.0-beta.1 a...

CVE-2025-27513

OpenTelemetry dotnet is a dotnet telemetry framework. A vulnerability in OpenTelemetry.Api package 1.10.0 to 1.11.1 could cause a Denial of Service DoS when a tracestate and traceparent header is received. Even if an application does not explicitly use trace context propagation, receiving these...

CVE-2025-27513: Allocation of Resources Without Limits or Throttling

OpenTelemetry dotnet is a dotnet telemetry framework. A vulnerability in OpenTelemetry.Api package 1.10.0 to 1.11.1 could cause a Denial of Service DoS when a tracestate and traceparent header is received. Even if an application does not explicitly use trace context propagation, receiving these...