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High severity7.5NVD Advisory· Published Nov 10, 2023· Updated Jun 17, 2026

CVE-2023-47108

CVE-2023-47108

Description

OpenTelemetry-Go Contrib is a collection of third-party packages for OpenTelemetry-Go. Starting in version 0.37.0 and prior to version 0.46.0, the grpc Unary Server Interceptor out of the box adds labels net.peer.sock.addr and net.peer.sock.port that have unbound cardinality. It leads to the server's potential memory exhaustion when many malicious requests are sent. An attacker can easily flood the peer address and port for requests. Version 0.46.0 contains a fix for this issue. As a workaround to stop being affected, a view removing the attributes can be used. The other possibility is to disable grpc metrics instrumentation by passing otelgrpc.WithMeterProvider option with noop.NewMeterProvider.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpcGo
>= 0.37.0, < 0.46.00.46.0

Affected products

424

Patches

Vulnerability mechanics

References

9

News mentions

0

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