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Security Advisories

CVE-2025-27513

NVD

https://nvd.nist.gov/vuln/detail/CVE-2025-27513

Severity

7.5

High

CVSS V3

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Summary

OpenTelemetry .NET has a Denial of Service (DoS) Vulnerability in API Package

Description

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 headers can still trigger high CPU usage. This issue impacts any application accessible over the web or backend services that process HTTP requests containing a tracestate header. Application may experience excessive resource consumption, leading to increased latency, degraded performance, or downtime. This vulnerability is fixed in 1.11.2.

References

Affected packages

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