CVE-2026-41078 OpenTelemetry dotnet: Potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path

OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under...

CVE-2026-41078

OpenTelemetry dotnet CVE-2026-41078 affects OpenTelemetry.Exporter.Jaeger (pre-1.6.0-rc.1 and earlier). The issue: memory pressure caused by unbounded pooled-list sizing in the Jaeger exporter conversion path, where oversized allocations from large span/tag sets can be reused for later allocation...

OpenTelemetry .NET has potential memory exhaustion via unbounded pooled-list sizing in Jaeger exporter conversion path

Summary !IMPORTANT There is no plan to fix this issue as OpenTelemetry.Exporter.Jaeger was deprecated in 2023. It is for informational purposes only. OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set...