CVE-2026-40894: falha de média gravidade em open-telemetry OpenTelemetry.Api
OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers
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13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 5.3epss 0.5%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Produtos afetados
open-telemetry · OpenTelemetry.Apiopen-telemetry · opentelemetry-dotnetopen-telemetry · OpenTelemetry.Extensions.PropagatorsCVEs relacionadas — open-telemetry OpenTelemetry.Api
No mesmo produto, das mais perigosas para as menos.
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Referências
https://github.com/open-telemetry/opentelemetry-dotnet/pull/1048https://github.com/open-telemetry/opentelemetry-dotnet/pull/3244https://github.com/open-telemetry/opentelemetry-dotnet/pull/3309https://github.com/open-telemetry/opentelemetry-dotnet/pull/533https://github.com/open-telemetry/opentelemetry-dotnet/pull/7061https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-g94r-2vxg-569j