CVE-2026-41078

Description

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 high-cardinality or attacker-influenced telemetry input, this can increase memory consumption and potentially cause denial of service. There is no plan to fix this issue as OpenTelemetry.Exporter.Jaeger was deprecated in 2023.

PUBLISHED Reserved 2026-04-16 | Published 2026-04-23 | Updated 2026-04-23 | Assigner GitHub_M

Problem types

CWE-770: Allocation of Resources Without Limits or Throttling

Product status

References

github.com/...dotnet/security/advisories/GHSA-38h3-2333-qx47

cve.org (CVE-2026-41078)

nvd.nist.gov (CVE-2026-41078)

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