Medium6.2Red Hat Linux

Medium [CVE-2026-45404] go.opentelemetry.io/otel/bridge/opentracing: OpenTelemetry-Go: Denial of Service via unsynchronized baggage map

This medium-severity Red Hat Linux advisory covers CVE-2026-45404 affecting Multicluster Global Hub, Red Hat Advanced Cluster Management for Kubernetes 2, Red Hat OpenShift Container Platform 4.

CVE-2026-45404 Published Aug 24, 2026Updated by vendor Aug 24, 2026

CVE-2026-45404

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

OpenTelemetry-Go is the Go implementation of OpenTelemetry. From version 0.11.0 through 1.44.0, the OpenTracing bridge's bridgeSpan contains an unsynchronized extraBaggageItems map which can cause a panic.

Because Go maps are not safe for concurrent read/write access, concurrent SetBaggageItem and correlation. MapFromContext calls on the same hooked bridgeSpan can trigger a fatal runtime error—such as concurrent map read and map write or concurrent map iteration and map write—terminating the process and causing denial of service.

This issue is fixed in version 1.45.0. A flaw was found in OpenTelemetry-Go.

Red Hat severity: Moderate — CVSS 6.2 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-820.

Affected Red Hat products: Multicluster Global Hub; Red Hat Advanced Cluster Management for Kubernetes 2; Red Hat OpenShift Container Platform 4. Red Hat does not currently list a fixing RHSA for this CVE.

Affected versions

0.11.0
1.44.0

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Fixed versions

1.45.0

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

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