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5.9 Medium

CVE-2026-45681 OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard

Description

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the per-CPU message-buffer fallback path uses a 256-byte backup buffer but preserves the original payload size, which can be up to 8KB. If a CPU mismatch occurs, OBI can read beyond the fallback buffer and leak adjacent memory into telemetry. This issue has been patched in version 0.9.0.

Affected products and versions

Product Affected versions Fixed in
opentelemetry-ebpf-instrumentation 0.9 earliest → < 0.9.0 0.9.0

References

Timeline

  1. Published
  2. Last modified

Other CVEs of opentelemetry-ebpf-instrumentation

The 11 CVEs of opentelemetry-ebpf-instrumentation →
CVE-2026-45686 OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard 7.5 High CVE-2026-45685 OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard 7.5 High CVE-2026-45684 OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard 4.9 Medium CVE-2026-45683 OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard 3.8 Low
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