CVE-2025-27513

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.

Risk Information

Base Score

7.5

MODERATE

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.081

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2025-27513 are fixed in Nuget - OpenTelemetry.Api 1.11.2	Windows
Vulnerabilities CVE-2025-27513 are affected in Nuget - OpenTelemetry.Api 1.10.0	Windows
Vulnerabilities CVE-2025-27513 are fixed in Nuget - OpenTelemetry.Api for Linux 1.11.2	Linux
Vulnerabilities CVE-2025-27513 are affected in Nuget - OpenTelemetry.Api for Linux 1.10.0	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234