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CVE-2026-40894OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers

open-telemetry opentelemetry-dotnet; open-telemetry OpenTelemetry.Api; open-telemetry OpenTelemetry.Extensions.Propagators Veröffentlicht: (vor 6 Monaten)

Beschreibung

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.

Schwachstellentyp (CWE): CWE-789

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
open-telemetry opentelemetry-dotnet >= 0.5.0-beta.2, < 1.15.3
open-telemetry OpenTelemetry.Api >= 0.5.0-beta.2, < 1.15.3
open-telemetry OpenTelemetry.Extensions.Propagators >= 1.3.1, < 1.15.3
opentelemetry opentelemetry 0.5.0 – < 1.15.3
opentelemetry opentelemetry.api 0.5.0 – < 1.15.3
opentelemetry opentelemetry.extensions.propagators 1.3.0 – < 1.15.3

Referenzen und Patches

CPE-Treffer (NVD) (3)
  • cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:.net:*:* ≥ 0.5.0 < 1.15.3
  • cpe:2.3:a:opentelemetry:opentelemetry.api:*:*:*:*:*:.net:*:* ≥ 0.5.0 < 1.15.3
  • cpe:2.3:a:opentelemetry:opentelemetry.extensions.propagators:*:*:*:*:*:*:*:* ≥ 1.3.0 < 1.15.3