Description
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 NuGet packages can allocate excessive memory when parsing which could create a potential denial of service (DoS) in the consuming application. This vulnerability is fixed in 1.15.3.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-g94r-2vxg-569j | OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers |
References
History
Thu, 23 Apr 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 23 Apr 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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 NuGet packages can allocate excessive memory when parsing which could create a potential denial of service (DoS) in the consuming application. This vulnerability is fixed in 1.15.3. | |
| Title | OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers | |
| Weaknesses | CWE-789 | |
| References |
|
|
| Metrics |
cvssV3_1
|
Subscriptions
No data.
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-04-23T19:22:47.268Z
Reserved: 2026-04-15T16:37:22.766Z
Link: CVE-2026-40894
Updated: 2026-04-23T19:22:42.774Z
Status : Received
Published: 2026-04-23T19:17:28.810
Modified: 2026-04-23T19:17:28.810
Link: CVE-2026-40894
No data.
OpenCVE Enrichment
No data.
Weaknesses
Github GHSA